How to open all of your Favorites Bar shortcuts in the Microsoft Edge web browser.

Find out which power supply model goes with your Surface device—including the power supply model number, power and wattage, and USB charging port.

Splits text strings by using column and row delimiters. The TEXTSPLIT function works the same as the Text-to-Columns wizard, but in formula form.It allows you to split across columns or down by rows.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Learn how to remove passwords from your Microsoft account to increase security.

This page provides phone numbers of Microsoft customer service.

Learn how to download, install, and configure additional language packs for your version of Windows.

Your PC can run Windows 11 if it meets the minimum system requirements specified by Microsoft.

Sometimes add-ins can conflict with Outlook. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem.