Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Learn how to share documents, links, and pictures with nearby devices using Bluetooth or Wi-Fi in Windows.

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

See a list of options available for starting Windows in diagnostic modes such as safe mode.

Learn how to change the email address or phone number that’s associated with your Microsoft account.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

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 how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.