Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.

If you're having trouble using the Outlook for Android mobile app, Open an in-app Outlook support ticket. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin.

There are two types of rules in Outlook—server-based and client-only. Server-based rules When you're using a Microsoft Exchange Server account, some rules are server-based.These rules run on your mailbox on the Exchange mail server even when Outlook isn’t running.

When you mark email as junk, you can report the message to Microsoft to help improve the accuracy of the junk email filter. To set junk email reporting options, select Settings > Mail > Automatic processing > Junk email reporting.. Specify when to send junk email reports

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置中查看它们。. Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).