If you can't send mail, but you can receive, and you're using the Mac Mail app, the cause could be malware. Here's the simple fix.
One-handed quick-swipe method for deleting email on an iPhone
Here's a quick, one-handed way to delete an email. Once you've done it you'll wonder why you ever did it any other way!
How to opt in to the COVID-19 Exposure Notification Express system on an iPhone
Here's how to activate the no-app-required COVID-19 Exposure Notification Express system on an iPhone. What it does, and how it works.
How to use Widgets in iOS 14
Widget are an essential feature of iOS 14. Here's a brief iOS 14 Widget tutorial: what Widgets are, how to add Widgets, how to stack them.
How to get your AOL calendar onto your iPhone and iPad
Here's how to get the AOL calendar onto your iPhone and iPad in iOS 12, 13, and 14. AOL's documentation says it can't be done, but it's wrong.
How to get rid of “HPDeviceMonitoring.framework will damage your computer” pop-ups on your Mac
Here's how to fix the pop-up messages saying "HPDeviceManager.framework will damage your computer" in three easy steps. (HP's method takes 12 steps.)
How to password-protect a Word document on a Mac
Here's how you password-protect a Word document on your Mac. You can require a password for opening a document and another for editing.
How to password-protect an Excel document on a Mac
Here's how you password-protect a Excel document on a Mac. Step-by-step instructions. Easy as pie. Keep your private stuff private.
Display Zoom comes to iPhone X, Xs, and 11 Pro in iOS 14
iOS 14 enables "Display Zoom" for the iPhone X, Xs, and 11 Pro. It makes everything bigger-- icons, buttons, text. Thank you, iOS 14!