Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

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 customize your keyboard for a specific language or format to control which characters appear on the screen when you press the keys.

Creating a passkey. To create a passkey for your Microsoft account, follow these steps on the device for which you’d like to create a passkey:

Use a ready signature template from a gallery to create your email signature in Outlook.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

This article explains how to zip and unzip files.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.