Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Copilot in Word ushers in a new era of writing, leveraging the power of AI. Check out this article to learn more.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.