A reader is collaborating with someone with an older version, and trying to figure out the best interchange format.
Apple uses Citizens One for some of its financing. What happens when you don't have an account number and need to change payment methods?
Microsoft makes it easy to remove some apps, but for others, you'll need assistance from a third-party utility.
If you encounter an error when trying to install a fresh operating system, it could be a problem with the date and time.
OK, you have an iPhone 6s, but which iPhone 6s do you have? Your model identifier numbers will tell you.
Answers to your iTunes questions, thanks to Kirk McElhearn.
A reader wants to wipe her Mac before getting rid of it, but she doesn't see a clear way to do so.
A little white lie could save Windows 10 Home users from automatic updates, but it comes with big responsibilities. Watch for the full details.
Apple's device authorization and management tools are a little hidden—Jason Snell explains.
You've probably noticed it in the pop-up menu of the iTunes Store, but have you ever clicked on the iTunes U? If not, join the millions of people and expand your knowledge, for free.
Step-by-step instructions on how to use the NetInstall service.
Set your Apple Watch so the screen stays on for a longer period of time.
You went into Windows Safe Mode to fix something, and now you can't get out. Luckily, you have two emergency exits. Watch for more details.
You might think printers have no private data. But some may retain vestiges.
Switching off cellular data as needed can spare your phone's battery life—and save you from overage fees.
A reader wants to reduce her iCloud Photo Library size as she's run out of her purchased storage. There's a workaround.
A reader lacks Photos, iTunes, and Movies items in the Open dialog.
Note-taking apps like Evernote already allow you to collaborate, and iOS 10's Notes app is jumping on board.