Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Set up headers and footers to provide different content for different sections of a document.

In addition to suggested phrases, Outlook will also show you suggestions to help you search for messages from some of your most recently emailed contacts.. Search basics. When you type words into the Search box, Outlook scans both email messages and many types of attachments for that word or phrase.

从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

The dialog that appears varies depending on whether you had the Add Apps or Get Add-ins option available to you. If you selected Add Apps, the Apps dialog appears. If you selected Get Add-ins, the Add-Ins for Outlook dialog appears. Search for the add-in you want from the available list.

Add or subtract days, months, or years from a date by using a formula or date functions in Excel.

Learn how to renew your Microsoft 365 Family or Microsoft 365 Personal subscription online or from a retail store.

Erfahren Sie, wie Sie Ihr Windows-Kennwort ändern oder zurücksetzen, wenn Sie es vergessen oder verloren haben.

Learn how to create and use a VPN connection profile on Windows for secure and private internet access.