Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.

Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

Get the steps for how to transfer photos and videos from your portable devices to your PC.

Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.

The steps below will help you add a Gmail account to new Outlook, or manage an existing account by deleting it or making it your primary account. Add a new Gmail account. On the View tab, select View settings.