Many Mac users will download package files of combo updates or other software in order to install them on multiple computers, thereby avoiding updating with the Mac App Store. This is particularly common with Mac systems administrators, where it makes more sense to download a single package update or installer once and distribute it over a network or perhaps install manually through a USB drive. There is nothing wrong with this approach at all, and in fact it’s much more efficient for multi-Mac management, but one potential hiccup arrives when a package installer or update file has an expired certificate, which will prevent the package from installing entirely, a situation that becomes obvious when you get an “(application installer) was signed with a certificate that has expired” error message.

To avoid this situation, you can check package signatures yourself to see if they are valid, if they have expired, or even if they have no signature at all.

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The Apple Watch has the same “Hey Siri” voice based activation feature available to it that iOS does, but it works a bit different and doesn’t activate exactly the same. In fact, there are two ways to activate Hey Siri on the Apple Watch, neither of which is quite like the iPhone based summoning method.

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It’s easy to fall behind on email and let unread messages build up over time, but the iOS Mail app offers an excellent solution to this problem by allowing users to enable a hidden optional “Unread” only email message inbox on their device.

Just as it sounds, the Unread message mailbox will display only the unread email messages that are within the Mail app of an iPhone or iPad, letting users greatly improve their email workflow and productivity. This can be in invaluable solution for those of us who are routinely overburdened with tons of emails, as it puts the requiring action unread message right in front of you, ready to be marked as read, responded to, forwarded, trashed, or triaged in another manner.

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Mail app in iOS allows users to easily add any type of file attachment to an email, as long as the attachment in question is coming from an associated iCloud Drive. This means you can add files from Pages, Microsoft Office documents, PDF, PSD, text and rtf files, or just about anything else, directly to an email on the iPhone, iPad, or iPod touch. The selected file(s) will behave just like a regular email attachment sent from a desktop email client too. Let’s walk through the steps for how to add attachments to emails in iOS.

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Want to play Playstation 4 games on your computer? Now you can thanks to PS4 Remote Play, available for Mac OS X (and Windows PC). The Remote Play app basically allows you to control the Playstation remotely from a computer, streaming a PS4 game from the Playstation 4 itself to the Mac or PC over a wi-fi or ethernet connection, allowing you to play whatever game is in the PS4, except on the computer.

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Creating animated GIFs out of a movie file or or video usually requires a bit of effort, but now you can convert a movie into an animated GIF on a Mac with drag and drop simplicity, thanks to the aptly named Drop to GIF.

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Looping a video allows the movie to play repeatedly, and QuickTime makes video looping extremely simple for any video file on a Mac. This is a great movie playback feature for many purposes, but many users will find it particularly helpful for demonstration videos, tutorials, kiosks, or shorter video clips that are best enjoyed on repeat, like funny memes or cat videos.

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Night Shift in iOS causes the device display to readjust to a warmer color spectrum, thereby reducing the displays output of blue light. This makes the screen of an iPhone or iPad not only more pleasant to look at in the evening and dark hours, but it also is easier on the eyes and potentially offers some health benefits as well.

Using Night Shift is extremely easy and you can quickly toggle the feature on and off anytime in iOS and iPadOS, or you can set it on an automatic timer as well to turn itself on with sunset and sunrise.

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Some users may wish to see the complete email header attached to email messages in the Mail app for Mac OS X. These long headers can reveal many details about the sender of an email message, including the origin mail servers and IP addresses, original arrival time, email alias details, and much more, making them a potentially valuable resource for some situations, particularly for users wishing to authenticate the validity of an email or mail message. Additionally, email header information can be very helpful for troubleshooting complicated email server issues.

The Mail app in Mac OS X makes it easy to display the complete email headers for mail messages, we’ll show you how to show the full header, return to the default header, and a rapid access keystroke to toggle the display of full email headers off and on quickly as needed.
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Apple has released a series of beta builds for system software, including iOS 9.3.2 beta 1 for iPhone, iPad, and iPod touch, OS X 10.11.5 beta 1 for Mac, WatchOS 2.2.1 beta 1 for Apple Watch, and tvOS 9.2.1 beta 1 for Apple TV. The point release beta updates are primarily focused on bug fixes and feature enhancements.

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The latest versions of the Notes app for iOS allow users to password protect particular notes within the app, making it an excellent place to store personal information and private snippets that you’d like to keep away from prying eyes. In addition to password protection, Notes in iOS also allows users to lock and unlock notes with Touch ID as well, so if the iPhone or iPad supports that feature you’ll be able to use a quick unlock access method too.

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Mac users who rely on the Mail app in Mac OS X for handling email may eventually need to delete a specific email address from the application and their Mac. This is common when an email address has changed or is no longer in use, whether it’s a work email or personal account.

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NASA has a pretty amazing collection of images available on the web to look through, many of which are ultra high resolution and make for perfect wallpapers. But not every NASA image is of some distant star, galaxy or nebula, many of their greatest pictures are from a bit closer to home and taken during various missions. We’re featuring a roundup of a handful of images which make for perfect high resolution wallpapers for any device, taken from survey flights over the snow covered peaks of Greenland, during rocket launches, to perhaps one of the most famous shots of a man on the moon.

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If your iPhone has LTE networking, and most do these days, there are some situations where you may want to disable the LTE cellular network. This can be helpful in a variety of cases, from a self-imposed data throttle of sorts, to even gaining a more stable connection in a situation where you may notice the LTE network will drop or cycle quickly between 3G, LTE, or even 2G / EDGE. That latter situation, which usually occurs in low coverage areas, can lead to quick battery loss or continuously dropped calls, as the iPhone is constantly seeking a signal, and turning off LTE is often a quick remedy for it.

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April Fools is a great time to play innocent pranks on fellow iPhone users, and one which nearly never fails to stump someone in a harmless manner is the infamous “iPhone is disabled” wallpaper prank. Of course this isn’t limited to the official prank holiday of April first, and you can use it to fool someone any day.

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Did you know your Mac has built in DTMF tones? It sure does! It’s likely part of the ability to make phone calls from a Mac via the iPhone, but putting aside the obvious utility of the tones existence, it’s also kind of a fun retro throwback to the caveman days of using dial tones to make calls. If you want to use one of the tones as a ringtone, text tone, or maybe you just want to relive the glory days of multifrequency signaling, we’ll show you how to access the raw files and play them too.

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Apple has released iOS 9.3.1 for iPhone, iPad, and iPod touch, the new version directly addresses the problem where tapped links would crash or freeze Safari, Messages, Mail, and other apps on iOS devices. This update is particularly important to install if you have been experiencing the URL crashing problem as it fixes the bug and stops tapping links from crashing the device, though users who haven’t been impacted by the bug may find it less urgent to update.

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Force Click and Force Touch (now called 3D Touch) are able to perform secondary actions by detecting pressure placed on a Mac Trackpad, but some users find that it can either be too easy or too difficult to activate. Fortunately the Mac provides a simple way to adjust the amount of touch pressure necessary to trigger Force Click in Mac OS X, so if you’d like to switch it up you can easily change this setting on a compatible Mac, MacBook, or MacBook Pro.

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