Information Rights Management (IRM) helps you prevent sensitive information from being printed, forwarded, or copied by unauthorized people. The permissions are stored in the document where they are authenticated by an IRM server.

If you're not sure which OneDrive version is better for you, you can review the reasons to choose the 64-bit version, the 32-bit version, ARM64 version for Windows, or the Apple silicon version for Mac. If you know what version you want, you can learn how to install it.. If you already have OneDrive, but you're not sure which version you have, check out Which version of OneDrive am I using?

Add a delivery and return address to a single envelope, set printer options, adjust for envelope size, and save or print.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Lists the file formats that are supported in Excel. The topic also includes a list of unsupported file formats and some suggested workarounds.

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.

For help with checking your balance from an Xbox console, see Check your Microsoft account balance on an Xbox console. Need more help? Contact Support. 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.

Learn how to create relationships between lists by using a combination lookup columns and relationship enforcement (cascade and restrict delete) to preserve the integrity of your data; and to view, edit, and delete items and lists in list relationships.

In Outlook, you have the option to: Snooze or dismiss events or tasks | Turn the notifications on or off | Add reminders to events | Add reminders to tasks | Troubleshoot notifications. Snooze or dismiss an event or task. With the reminders window, you can select to snooze calendar events and tasks, join a Teams meeting, or dismiss events and tasks.

Learn how to install and use OneDrive to sync files between your Windows device and the cloud.