If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Manage invitations to share Microsoft 365. On the Microsoft account, Sharing page, under the section Other people, you can view and manage invitations you’ve created.You can check the status of an invitation, resend, or delete invitations. If the person you sent an invitation to can't find it, see Can't find an invitation to share Microsoft 365 Family.

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.

Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.

Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption

Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.