Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Battery saving tips for Windows - Microsoft Support
Energy saver automatically manages system processes and power usage for an optimal balance of PC performance and longer battery life. Select Start > Settings > System > Power & battery .If you want energy saver to turn on whenever the battery falls below a certain level, select Energy saver to expand options, then next to Turn energy saver on when battery level is at, select the battery level ...
使用 PowerPoint Designer 获取幻灯片的设计理念 - Microsoft 支持
培训:PowerPoint 设计器可帮助在几秒钟内自动创建专业的幻灯片。 只需插入一张或多张图片、项目列表或日期列表,然后选择所需设计即可。 观看此视频以了解如何操作。
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web
Help with the Microsoft account recovery form
2. Fill out the form using a recognized device and location. If possible, complete the form using a device you previously used to sign into your account and at a location where you commonly use that device and that we'll recognize, such as your home or office.
Microsoft 365 中的 Office 网页版入门 - Microsoft 支持
大多数 Microsoft 365 计划都包括 Office 网页版程序。 单击某个文档或使用库中的三点“打开菜单”在浏览器中打开 Word、Excel、PowerPoint、OneNote 和 PDF 文件。 Outlook 附件和 Lync Web App 会议笔记也可在 Office 网页版中打开。
Applies To: Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Office for business, Office 365 Small Business, Microsoft 365 admin, Microsoft account dashboard, Office.com
使用 Microsoft Authenticator 登录 - Microsoft 支持
注意: 如有必要,请选择“其他登录方式” ,然后选择“批准 Microsoft Authenticator 应用上的请求”。
编辑或更改 PDF 文件 - Microsoft 支持
可移植文档格式 (PDF) 是用于共享最终版本文件的一种通用格式。 若要在通过 Office 程序(如 Excel 或 Publisher)创建的 PDF 中添加或编辑文本,请首先从原始 Office 文件开始着手。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Publisher for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Publisher 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Publisher 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Publisher 2016, InfoPath 2013
Edit photos and videos in Windows - Microsoft Support
Blur. Select the Blur option, then use the slider to adjust the Blur intensity, then select Apply to blur the background.. Remove. Select the Remove option, then select Apply to remove the image background.. Replace. Select the Replace option, then use the color palette to select the background color. Alternatively, you can specify the RGB values for the desired color.
将数字四舍五入到所需的小数位数 - Microsoft 支持
若要. 在公式生成器中,搜索,然后双击. 在参数下. 向上舍入数字. 综述. 在 “数字”中,键入要舍入的数字。在 num_digits中,键入 0 将数字向上舍入到最接近的整数。. 向下舍入数字. ROUNDDOWN. 在 “数字”中,键入要向下舍入的数字。在 num_digits中,键入 0 将数字向上舍入到最接近的整数。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
按人脸对照片进行分组 - Microsoft 支持
如果你的电脑正在运行新版“照片”,并且要还原到“照片”旧版,请打开 “照片” 应用,选择 “设置”,然后在“ 关于 ”部分下选择 “获取照片旧版”。. 当你打开时,早期版本的“照片”应用使用面部分组技术来帮助你快速轻松地组织朋友和家人的照片和视频。