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Is Your Mac Running Low on Disk Space? Here’s How to Delete Unnecessary Files

Between apps, photos, videos, music, and downloads, it’s easy to fill up your Mac’s drive, particularly one with just 128 or 256 GB of drive space. macOS warns you when you get too low on space, but those warnings may come late—for optimum Mac performance, we recommend you keep at least 10–20% of your drive free for new downloads and virtual memory swap files. There are excellent utilities that help you find and delete unnecessary files, such as the free GrandPerspective, the $9.99 DaisyDisk, and the $14.99 WhatSize, but Apple’s built-in storage management capabilities will likely be all you need.

Apple first introduced its Storage Management tool in the System Information app in macOS 10.12 Sierra, making it accessible from the About This Mac dialog. Starting in macOS 13 Ventura, Apple moved those capabilities to System Settings > General > Storage, providing a quick overview of your drive usage at the top. Hover over each colored bar to see how much space is taken up by a particular type of data. The light gray space at the end of the bar is what’s still available.

Below the graph, macOS may offer some recommendations for reducing storage over time, but they come with tradeoffs. Storing files in iCloud and optimizing Apple TV videos will replace local files with stubs pointing at a version stored in the cloud. That’s OK, but you then have to download the original before you can use it. Deleting files automatically after they’ve been in the Trash for more than 30 days is also fine but could have undesirable results if you ever want to recover older files from the Trash. Enable these if you wish, but the real work happens farther down on the screen, where you find all the categories of files you can explore. Depending on what apps you use, they will vary a bit between Macs, but they correspond to the colored bars you saw in the storage graph. Double-click each one to see what it displays.

For a few app-specific categories, like Mail and Podcasts, you merely learn how much space the app’s data occupies—to save space, you must delete unnecessary data from within the app itself. iCloud Drive and Photos are similar but also let you enable space optimization, which stores only placeholder files or smaller optimized photos on the Mac, leaving the originals in iCloud for later downloading whenever you access them.

More interesting are the Applications, Documents, and iOS Files categories, each of which may reveal gigabytes of unnecessary data. iOS Files, for instance, shows any device backups and software updates stored on your Mac’s drive. It’s worth keeping the latest backup of devices you still use, but delete any older backups and updates that are just wasting space—well over 8 GB in the screenshot below.

The Applications category lists your apps and is sorted by size by default. But try clicking the column header for Kind and scrolling down. You can probably delete most apps tagged as Unsupported, Duplicates, or Older Versions. Similarly, click the Last Accessed column header to see which apps you haven’t launched in years. Many of them can probably go, too.

In Documents, you’ll see four buttons: Large Files, Downloads, Unsupported Apps, and File Browser.

  • Large Files shows huge files regardless of where on your drive they’re located.
  • Downloads shows you the contents of your Downloads folder, much of which you likely don’t need.
  • Unsupported Apps lists any PowerPC or 32-bit apps that won’t run on your Mac. You can delete them.
  • File Browser provides a column view sorted by file size and shows sizes next to each item. It’s great for trawling through your drive to see what’s consuming all that space.

In any of these views, click Delete or Move to Trash to remove the file or Show In Finder to see it in its native habitat, which may help you decide if you should keep or delete the file. To delete multiple files at once, Command-click or Shift-click to select them and then click Delete to remove them all at once.

You may find it worth using GrandPerspective to get a visual overview of how space is used on your drive. After scanning, which can take a long time, it uses tiny colored blocks to represent files, collecting multiple blocks into bigger rectangles to show folder size. Toolbar buttons let you open, preview with Quick Look, reveal location, or delete whatever file block you click. Look in the status bar at the bottom of the window to see the path to the file.

In the screenshot below, the big boxes of color are massive virtual machine disk images, and the selected folder outlined in white at the right contains desktop pictures downloaded by an app that rotates them regularly—gigabytes of old files that can easily be deleted.

If your Mac’s drive has less than 10% free space, consider using Apple’s storage management capabilities—perhaps supplemented with GrandPerspective or another utility—to find and delete files that are wasting space.

Two final notes: Don’t get too wrapped up in the exact numbers in the storage graph matching what the Finder reports, and give the Mac some time to update its free space amounts after deleting files directly or emptying the Trash.

(Featured image based on an original by iStock.com/Bet_Noire)


Social Media: Is your Mac low on drive space? Learn how to use Apple’s built-in storage management capabilities—perhaps supplemented with a third-party utility—to find and delete gigabytes of unnecessary files.

Apple Announces iPhone 15 Lineup, Apple Watch Series 9, and Apple Watch Ultra 2

September is here, and with it, Apple’s latest iPhones and Apple Watches. At its Wonderlust event on September 12, Apple threw back the curtains on the new iPhone 15 lineup, Apple Watch Series 9, and Apple Watch Ultra 2. These devices all provide incremental improvements that make them attractive to people planning to purchase a new iPhone or Apple Watch, though they may not be irresistible upgrades for those still happy with older models. You can pre-order any of them starting September 15, with delivery and in-store availability on September 22.

Alongside the announcement, Apple revealed that iOS 17, iPadOS 17, watchOS 10, tvOS 17, and HomePod Software 17 will become available on September 18, with macOS 14 Sonoma arriving on September 26. Wait a week or two before installing this first batch of updates on essential devices to avoid any last-minute bugs, and hold off on Sonoma for a few months or until you’re confident your necessary Mac apps are compatible. Regardless of when you upgrade, make a backup right before in case an unexpected problem forces you to erase and restore.

Let’s look at each of the new products.

iPhone 15 Lineup

Last year, Apple moved to a four-part iPhone lineup that continues this year, with the 6.1-inch iPhone 15 and the 6.7-inch iPhone 15 Plus. On the high end, we get the iPhone 15 Pro and iPhone 15 Pro Max, again in those 6.1-inch and 6.7-inch sizes. The company updated the industrial design with slightly contoured corners. The iPhone 15 models come in five pastel colors with an aluminum enclosure and color-infused back glass, whereas the iPhone 15 Pro models now boast a titanium enclosure in four colors.

Along with the updated industrial design, all the iPhone 15 models share three notable changes:

  • USB-C for charging and data transfer: Driven by new European Union regulations, the iPhone 15 models all trade their Lightning port for a USB-C jack. Although it will be annoying to keep both Lightning and USB-C cables around until all Lightning devices have aged out, many Apple users already have USB-C cables and chargers for iPads and MacBooks.
  • Roadside Assistance via satellite: This extension of Emergency SOS via satellite allows anyone experiencing vehicle difficulties in a cellular dead zone to get help using satellite messaging. Apple includes access to satellite services for 2 years, and AAA membership in the US includes the roadside service. Those who aren’t AAA members will be able to purchase service separately.
  • Better Precision Finding: The iPhone 15 and new Apple Watch models all have a second-generation Ultra Wideband chip that lets users employ Precision Finding in the Find My app to locate each other accurately at a much greater range. Apple suggests you can use it to find iPhone 15-equipped friends in a crowd.

Although the iPhone 15 and iPhone 15 Plus aren’t as technologically capable as their Pro siblings, they’re more interesting than the iPhone 14 models they supplant. They receive increased performance thanks to the A16 Bionic chip from the iPhone 14 Pro, and the chip also enables computational photography improvements on top of a new 48-megapixel camera. Also inherited from the iPhone 14 Pro is the Dynamic Island, which displays alerts and Live Activities in the area surrounding the camera and sensor package at the top of the screen, eliminating the need for a notch.

Even though there’s more new on the Pro end, the iPhone 15 Pro and iPhone 15 Pro Max don’t make as significant a jump from their iPhone 14 Pro predecessors. The change everyone will notice is the new Action button that replaces the Ring/Silent switch. You can press and hold it to put an iPhone 15 Pro into silent mode or redefine it to activate Voice Memos, set Focus modes, access the camera or flashlight, enable Accessibility options, or launch a Shortcut. 

The 48-megapixel main camera gains additional computational photography capability thanks to the new A17 Pro chip underpinning the iPhone 15 Pro models, but the most noteworthy enhancement is restricted to the iPhone 15 Pro Max. A tetraprism design enables its Telephoto camera to achieve a 5x optical zoom, an unprecedented capability available only for photographers who don’t mind the 6.7-inch form factor.

Several other improvements are technically impressive but likely of interest and utility only to media professionals. The iPhone 15 Pro’s USB-C port supports USB 3 transfer speeds up to 10 gigabits per second (the iPhone 15 is limited to USB 2.0’s pokey 480 megabits per second), and support for Wi-Fi 6e will enable faster wireless transfers. Both will be welcome to those transferring large image, audio, or video files.

Pricing remains basically the same, with the iPhone 15 and iPhone 15 Plus starting at $799 and $899 for 128 GB of storage, with 256 GB and 512 GB options. The iPhone 15 Pro costs $999 for 128 GB, with 256 GB, 512 GB, and 1 TB storage options. The iPhone 15 Pro Max is $1199 for 256 GB, with 512 GB and 1 TB storage options. If those prices are too steep for your budget, the iPhone SE ($429), iPhone 13 ($599), and iPhone 14 ($699) all remain for sale.

It might be worth upgrading from an iPhone 14 to an iPhone 15 for the 48-megapixel camera and Dynamic Island, but it’s harder to recommend an upgrade from an iPhone 14 Pro unless you find the 5x Telephoto camera indispensable. Otherwise, the older your current iPhone, the more you’ll be impressed by the new models.

Apple Watch Series 9 and Apple Watch Ultra 2

Last year brought the release of the beefy Apple Watch Ultra, so it wasn’t surprising that Apple gave us the Apple Watch Ultra 2 this year alongside the Apple Watch Series 9. They have no industrial design changes, and their improvements are driven by the increased performance and efficiency of Apple’s new S9 SiP (a package containing multiple chips).

Most notable among the changes is a new double tap gesture, which relies on the S9’s faster Neural Engine to detect when your index finger and thumb perform a double tap. watchOS 10 interprets the gesture as activating the primary button in an app, so it can be used to answer or end a phone call, stop a timer, play and pause music, snooze an alarm, take a photo, or open and scroll through the new watchOS 10 Smart Stack from the watch face. It will be available next month. 

Other S9-driven improvements include:

  • Brighter displays: The Apple Watch Series 9 can now display up to 2000 nits, and the Apple Watch Ultra 2 can go up to 3000 nits, making them more readable in bright sunlight.
  • On-device Siri: Siri requests that don’t require information from the Internet can now be processed on the Apple Watch locally, making Siri more helpful for starting workouts or setting timers when there’s no cellular or Wi-Fi connectivity.
  • More capable and accurate Siri: You can now use Siri to access Health data such as sleep hours, Activity ring progress, and more. Plus, you can use Siri to log health data such as weight, period, or medications taken. These capabilities will be available later this year. Apple also claims 25% more accurate dictation.
  • Precision Finding and HomePod integration: The second-generation Ultra Wideband chip in the S9 enables the Precision Finding feature that can direct you to a lost iPhone 15 rather than just playing a sound. Also, when you get close to a HomePod, the Apple Watch provides media controls or offers media suggestions in the Smart Stack.

Finally, both the original Apple Watch Ultra and the new model gain a new Modular Ultra watch face that uses the outermost edge of the large display to present real-time data like seconds, altitude, or depth.

The Apple Watch Series 9 starts at $399 for a 41mm aluminum GPS-only model; 45mm models are $30 more, and cellular connectivity adds $100. It’s available in pink, midnight, starlight, silver, and PRODUCT(RED). In stainless steel, pricing starts at $699 for a 41mm model and includes cellular connectivity; the 45mm models are $50 more. Some textile bands and all stainless steel bands cost an additional $50 to $300. The Apple Watch Ultra 2 remains $799 with an Alpine Loop, Trail Loop, or Ocean Band.

While undoubtedly the most capable watches Apple has ever produced, these new models don’t offer enough new to warrant an upgrade from last year’s models. They’re great for those getting started with the Apple Watch or upgrading from a much older version. Don’t forget that Apple still sells the Apple Watch SE, which lacks the Always-On display and ECG capabilities of the Series 9 but is $150 less expensive. Apple’s comparison page can help you tease out the differences.

(Featured image by Apple)


Social Media: At its Wonderlust event, Apple introduced the iPhone 15 lineup, the Apple Watch Series 9, and the Apple Watch Ultra 2. For the most part, they’re incremental upgrades, making them most compelling to those upgrading from much older devices.

Erase Image Content in Preview with Copied Color Blocks

Apple’s Preview is a surprisingly capable graphics editor for making quick changes to screenshots and other illustrations, but it lacks a built-in way to delete content while leaving the background. Here’s the workaround—select a rectangle of the background color, copy it, paste it, and then move it over the undesirable content—as shown in the After screenshot below, where blue selection dots denote the pasted box. As you resize the box, press Shift to prevent it from resizing proportionally, which helps you make it the shape you want. If you need a second box of the same color, Option-drag the first box to copy it. When you save and close, your boxes will be merged into the image, permanently removing the content underneath, so make sure they’re in the right spot before moving on.

(Featured image based on an original by iStock.com/Seetwo)


Social Media: Have you ever needed to remove some content from a screenshot or other illustration? There’s no need for a fancy graphics app—you can do it quickly in Preview with this little-known trick.

Frustrated by System Settings? Use the View Menu or Search

In macOS 13 Ventura, Apple replaced the creaky System Preferences with System Settings, which uses a more iOS-like interface. Many people find System Settings overwhelming, partly because they had memorized where to look in System Preferences (but System Settings has many other design flaws as well—it’s not your fault). We have two recommendations to make it more easily navigable. First, for an alphabetical approach, use the View menu, which lists the panes that way, along with the top-level items in the General settings pane. Second, make heavy use of the search field at the top of the System Settings sidebar—it’s the only way to find some deeply nested settings.

(Featured image based on an original by iStock.com/rootstocks)


Social Media: If you have trouble finding things in macOS Ventura’s System Settings app, you’re not alone. We have advice to help you navigate alphabetically or jump directly to a deeply nested setting.

Beware Executive Imposter Scams Aimed at New Employees

We’re hearing about new hires who receive an email or text from someone claiming to be the CEO of their new company, asking the employee to carry out some small task like sharing personal information, purchasing a gift card for a client, or wiring funds to another business. The new employee, eager to make a good impression and lacking the context of what’s reasonable, is tempted to do as asked. (The scammers seemingly gather the necessary information by scraping LinkedIn for job changes and corporate titles, then cross-referencing with email addresses and phone numbers stolen in data breaches.) To reduce the chances of such a scam succeeding, train new employees during onboarding not to trust unsolicited messages from unfamiliar addresses or numbers, be wary of unusual requests, and check with a trusted source within the company before replying in any way.

(Featured image by iStock.com/Ton Photograph)


Social Media: We’re seeing an uptick in scam emails and texts to new hires purporting to be from corporate executives. The best defense is awareness, so we recommend adding security training to your onboarding process.

Mac Keyboard Shortcuts Performing Unexpected Actions? Check These Settings

Keyboard shortcuts are a productivity win, but they can cause confusion if something unexpected happens when you inadvertently press some system-wide key combination. For instance, you might be taken aback if you accidentally press Control-Option-Command-8 and all the colors on your Mac screen suddenly invert. Although Apple has pages listing shortcuts and the KeyCue utility can list them all for any app, a good way to see—and manage—what’s active on any Mac is to open System Settings > Keyboard > Keyboard Shortcuts (look in the same place in System Preferences in macOS 12 Monterey and earlier) and scan the categories. Disable shortcuts you’ll never use by deselecting their checkboxes, and redefine others so you’ll remember them.

(Featured image by iStock.com/spaxiax)


Social Media: Do strange things sometimes happen on your Mac when you inadvertently press certain key combinations? Take a trip through the macOS keyboard shortcuts and turn off those you’ll never use intentionally.

With Storms Increasing, Protect Your Tech Gear from Damaging Power Fluctuations

It has been a tough year for extreme weather events. While the connection between weather and technology may seem tenuous, heat waves, high winds, and lightning strikes can play havoc with all sorts of powered and networked electronic devices.

Anything that causes power fluctuations—spikes, surges, sags, brownouts, and blackouts—can hurt your tech gear. Protecting your most vulnerable devices doesn’t have to be expensive, but don’t be complacent because you plug your Mac into a cheap surge protector you’ve had since college. And note that many power strips offer no surge protection at all.

First off, why are power fluctuations problematic? There are two scenarios:

  • Too little power: Sags and brownouts are drops in voltage; a sag is a short-term dip, whereas brownouts last longer. Blackouts are complete power outages. Although they’re less damaging than surges, sags and brownouts can cause electronic devices to behave erratically or crash, and the fluctuation in voltage—particularly when coming back from an outage—can stress components. Losing power entirely will cause you to lose any unsaved work and possibly end up with document or even drive corruption.
  • Too much power: Spikes and surges are sudden, brief increases in voltage; the difference is that spikes are shorter than surges. Either way, the excessive power can degrade or damage sensitive electronic components, reducing lifespan or causing immediate failures.

The best solution to these scenarios is an uninterruptible power supply (UPS). Put simply, a UPS is a big battery into which you plug your Mac and other peripherals. It then plugs into a wall outlet and monitors the incoming power. If the power surges, falls below a certain threshold, or fails outright, the UPS switches the power source to its internal battery. This happens so quickly that your Mac never even notices.

If your gear is plugged into a UPS when a blackout hits, you get some time to save your work and shut down gracefully, ensuring that you don’t lose data or flirt with drive corruption. A UPS also protects against spikes and surges, filtering out the excess voltage so it can’t harm the devices plugged into it. The downsides to UPSes are that they’re an extra expense, their batteries need replacing every few years, and they take up space under your desk. For a home or small office UPS, consult Wirecutter’s recommendations. For larger installations, contact us.

If power outages are rare in your location, you may prefer to rely on a surge protector instead of a UPS. As the name implies, surge protectors filter out voltage spikes and surges so they won’t damage your gear. Surge protectors are smaller and less expensive than UPSes, and while they don’t have batteries to fail, their protection circuitry degrades over time, so they should be replaced every few years as well. Better surge protectors alert you or stop working entirely when they can no longer provide protection. Again, Wirecutter has good recommendations.

If most of your expensive tech gear is battery-powered, you could forgo even a surge protector. Outages aren’t an issue, and a MacBook or iPhone power adapter will protect against most sags, brownouts, spikes, and surges. The power adapter may incur damage, but it’s inexpensive to replace.

One final thought. No UPS, surge protector, or power adapter can protect against a direct lightning strike. Lightning is too fast and too powerful—it’s millions or even hundreds of millions of volts. Even turning your equipment off isn’t sufficient because lightning that has traveled miles through the air to hit the ground can easily jump across an open switch. If lightning strikes are common in your area, unplug your most expensive devices entirely during severe storms.

To sum up:

  • For a desktop Mac and peripherals, a UPS is a worthwhile investment if you ever suffer from power outages. Also, consider a UPS for essential networking gear—cable modems, routers, switches, and network-attached storage.
  • If power outages are extremely rare, or for equipment that doesn’t need to remain on during an outage, get a good surge protector. If it doesn’t automatically disable itself when it’s no longer effective, write the date on the bottom and replace it in a few years.
  • Although there’s no harm in doing so, it’s not necessary to plug battery-powered device chargers into a surge protector or UPS. A spike or surge may damage them, but they’ll probably sacrifice themselves to protect your gear.
  • When in doubt during severe storms, unplug your most valuable equipment to protect against a direct lightning strike.

(Featured image by iStock.com/HardRockShotz)


Social Media: How can you protect your tech gear from unexpected power fluctuations? A UPS is best in some scenarios, but a not-too-old surge protector is often sufficient.  You can also let your Apple chargers do their job without worrying about what they are plugged into.

Keep Your Apple Devices Cool in the Summer Heat

June 2023 was the hottest month on record for the planet, at least until July 2023. Among the many ill effects of such heat are what it does to iPhones, iPads, Macs, Apple Watches, and other digital devices. Excessive heat shortens the overall lifespan of lithium-ion batteries and increases the likelihood of both transient errors and hardware failures—iPhones warn you when they’re getting too hot because of these issues. Apple recommends using nearly all its devices in conditions no hotter than 95ºF/35ºC and storing them in locations that don’t exceed 113ºF/45ºC. (The exception is the adventurous Apple Watch Ultra, which can be worn in temperatures up to 130ºF/55ºC.) The most common place to avoid is a car parked in the sunshine on a hot day, which can easily exceed 130ºF within an hour and rise from there. So don’t leave your iPhone in the car during an afternoon at the beach!

(Featured image by iStock.com/Jorge Garcia Argazkiak)


Social Media: As many parts of the world struggle with record heat waves, remember that excessive heat—operating temperatures over 95ºF/35ºC—is harmful to portable electronic devices like the iPhone, iPad, and Apple Watch. Keep your digital friends cool!

Clean Up Your Mac’s Desktop with Sort Options

When we help someone with their Mac for the first time, we often notice that their desktop is a disaster. Icons are scattered willy-nilly and often piled on top of one another, making it hard to locate anything. For most people, the solution is easy—sort the contents of the desktop. In the Finder, choose View > Show View Options. We recommend choosing Date Modified from the Sort By pop-up menu to put your most recently used files in the upper-right, but other criteria might work better for you. If you have so many icons that they overlap, try reducing the icon size or grid spacing. You could also choose Date Modified from the Stack By pop-up menu to collect icons into stacks by date.

(Featured image by iStock.com/Liudmila Chernetska)


Social Media: We can’t help with a messy office desk, but if your Mac’s desktop is a confusing mess of randomly placed icons, using the Finder’s sort options will make it nice and orderly.

How to Protect Your Child’s Hearing from Too-Loud Headphone Audio

Loud sounds are harmful to everyone, and many parents worry that their children are at risk for hearing loss due to too-loud headphone audio from iPhones and iPads. To lower the likelihood of this happening, Apple provides a Reduce Loud Sounds option in Settings > Sounds & Haptics > Headphone Safety for both iOS and iPadOS. Select it and set a limit, with 80–85 decibels generally considered safe. To keep kids from increasing the limit, go to Settings > Screen Time and set a Screen Time passcode. Then navigate into Content & Privacy Restrictions, enable the switch at the top, and then scroll down and set Reduce Loud Sounds to Don’t Allow. After that, the headphone output from all apps will be capped at the decibel level you specified.

(Featured image by iStock.com/Ivan Zhdanov)


Social Media: Too-loud headphone volume causes hearing loss, but Apple makes it easy to reduce loud sounds played through headphones and prevent kids from bypassing the volume limits.