Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

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

Enter your current password, enter your new password, and then select Save.

Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

Last updated: July 2024. For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of Outlook problems.