使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Overview of formulas in Excel - Microsoft Support
Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Get Windows Media Player - Microsoft Support
Windows Media Player is available for Windows-based devices. Use this table to find the right version of the Player for your system. (If you've got a Mac, you can download Windows Media Components for QuickTime to play Windows Media files.)
Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
适用于: Microsoft 365 专属 PowerPoint, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
更改桌面背景和颜色 - Microsoft 支持
可以选择适合桌面背景的图片,也可以更改“开始”主题色、任务栏和其他项目。 选择 “开始 ” >“设置” > “个性化 ”。预览窗口使你可以在进行更改时先睹为快。 在 “背景”中,可以选择图片、纯色或你创建的图片的幻灯片放映。或者,可以选择 Windows 聚焦 来每天查看来自世界各地的新图像。
为文本或空格添加下划线 - Microsoft 支持
为空格添加下划线 可以通过按 Shift+连字符 ( ) 来为空格添加下划线,但很难将下划线对齐(例如,如果要创建填充窗体)。 此外,如果打开用于将下划线字符更改为边框线的自动套用格式选项,则按 Shift+连字符 ( ) 行中三次或多次将导致一行扩展段落宽度的行,这可能不是你想要的。
适用于: Microsoft 365 专属 Word, Word 2021, Word 2019, Word 2016
Où entrer votre clé de produit Office ? - Support Microsoft
Ces étapes s’appliquent uniquement Office Professionnel Plus, Visio Professionnel, ou Project Professionnel. Étape 1 : démarrez une application Office, telle que Word, Project ou Visio, en fonction de votre achat. Étape 2 : dans la fenêtre Se connecter pour configurer Office, sélectionnez Je ne veux pas me connecter ou créer un compte (petit lien situé en bas de la fenêtre).
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office.com
Switch to the new Microsoft Teams - Microsoft Support
When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.
适用于: Microsoft Teams
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
适用于: Microsoft 帐户仪表板
Free up drive space in Windows - Microsoft Support
Find out how to free up space on your device by deleting unnecessary files, uninstalling apps, and moving files to other drives.