Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Outlook's search box is a powerful tool to help you find messages, contacts, tasks, and calendar entries. You can type a number of phrases in the Search box at the top of the Outlook window. In addition to searching for different words and phrases, you can use various operators and keywords to narrow your search results. To start your search, click the Search box at the top of the Outlook ...

Learn about different things you can try to fix Ethernet network connection problems in Windows

Learn how to manage automatic file downloads from your Windows apps when you use an online storage provider, such as OneDrive Files On-Demand.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), 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 ...

如何變更玩家代號？ 我們已將新的 Xbox 玩家代號更新為支援最多 12 個字元的 Unicode 玩家自選名稱，而此名稱還會在您分享玩家代號時加上自動產生的尾碼。 我們為玩家提供 13 個不同的字母系統，支援全球超過 200 種語言。

了解收到錯誤 0x82D40003 時該如何處理，讓您可以在 Xbox 主機上啟動遊戲。

How to split the content from one cell into two or more cells in Excel.