Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

This article is for Outlook.com. If you're using Outlook for Windows, see Fixes or workarounds for recent issues in Outlook for Windows.. If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal.. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.