Create a document - Microsoft Support
To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.
适用于:
Microsoft 365 专属 Word, Word 2021, Word 2019, Word 2016
Excel 函数（按类别列出） - Microsoft 支持
按类别（例如逻辑函数或文本函数）列出所有 Excel 函数。 函数 说明 BETADIST 函数 返回 beta 累积分布函数 BETAINV 函数 返回指定 beta 分布的累积分布函数的反函数
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
适用于:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 家庭版, Outlook.com, GroupMe, Microsoft 帐户仪表板, Microsoft Teams, Microsoft Teams 个人版, 微软待办, OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive, Outlook for Android, Outlook for iOS
Multiple desktops in Windows - Microsoft Support
Use multiple desktops in Windows to organize projects, or quickly switch between desktops before a meeting.
Outlook.com 的 POP、IMAP 和 SMTP 设置 - Microsoft 支持
如果想将 Outlook.com 帐户添加到支持 POP 或 IMAP 的另一电子邮件程序，将需要进行以下手动服务器设置。
适用于:
Microsoft 365 专属 Outlook, Microsoft 365 Mac 版专属 Outlook, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, 适用于 Office 365 的 Outlook Web App, 适用于 Office 365 小型企业版的 Outlook Web App, Outlook 网页版, Outlook.com, 由世纪互联运营的 Outlook Web App for Office 365, Outlook Web App 简易版, 新的 Outlook for Windows, Outlook for Android, Windows 10 版 Outlook 邮件, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版, Outlook Web App
Tips to improve PC performance in Windows - Microsoft Support
Learn how to improve Windows PC performance if your device is running slowly.
View and delete browser history in Microsoft Edge
Learn how to view and delete your browser history and other history in Microsoft Edge.
Connect to a projector or PC - Microsoft Support
Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).
Add or remove items from a drop-down list - Microsoft Support
Add or remove items from an existing drop-down list (also called a drop-down menu or drop-down box).
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.