Tip: If you have other verification options already configured for your Microsoft account, you can sign in using those methods: Use your face, fingerprint, PIN, or security key; Approve sign-in with a mobile app; or Send a code to your email. Troubleshoot verification code issues.

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, Outlook includes encryption features that let you share your confidential and personal information while ensuring that your email message stays encrypted and doesn't leave Microsoft 365. This is useful when you don't trust the recipient's email provider to be secure. To see encryption options, compose a new message ...

Contact Support For help with your Microsoft account and subscriptions, visit Account & Billing Help. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Admins Admins should view Help for OneDrive Admins, the OneDrive Tech Community or contact Microsoft 365 for ...

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5083769), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

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.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Keeping your Surface up to date helps it perform at its best. In addition to software updates for Windows, it's also important to install hardware updates—these include drivers and firmware. Each Surface device is eligible to receive new driver and firmware updates until its end-of-servicing date listed in Surface devices driver and firmware lifecycle for Windows-based devices. You can ...

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.

Note If you're traveling and can't access the email or phone that you've associated with your account, there are some other options: If you brought a device you normally sign in to and you've set it as a trusted device, you can sign in from that device and get back into your account. If you left your phone at home and know someone who has access to it, you can ask them to tell you the security ...