macOS How-To

Articles (22)

Back up your Mac with Time Machine and Encrypt External Drive

Before Reinstalling Mac OSX

Configure File Sharing for Mac OS X

How can I change the default email program to Outlook on my Mac?

How do I add a bookmark to my Home screen in iOS?

How Do I Apply Software Updates to My Mac OS and What Should I Know about This Process?

How Do I Reinstall the Macintosh OSX (macOS) Operating System?

How to Determine the Operating System on a Mac and its serial number

How-To Change Your Display Name on a Mac

IDL for Macintosh

Keeping your Macbook Up-to-Date

Provides information on how to check your MacOS version, verify that you are running a supported version, and how to update if you need.

Mac OS X Computer Name and IP Address

Mac OS X: How to change the default application for opening files

macOS - How do I check if an app is 32-bit or 64-bit?

macOS Sequoia: Before you Upgrade

We recommend checking your hardware, applications, and peripherals for compatibility before upgrading to macOS Sonoma.

Open an App from an Unidentified Developer

Open an app from an unidentified developer in macOS.

Operating Systems Upgrades and Program Compatibility

OS X System Upgrade - progress bar stuck - not making progress

Prepare - Things to do - Before upgrading OS X

Should I Check My Disk Drive for Problems before Reinstalling Mac OS X?

Things to do Before Upgrading macOS

How to prepare for a smooth macOS upgrade.

Unable to delete files from Mac laptop

Unlock a file or folder to be able to delete or change it.