View previous versions of Office files - Microsoft Support
Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
使用语音键入来说话，而不是在电脑上键入 - Microsoft 支持
通过语音键入，可以通过说话在电脑上输入文本。 语音键入使用由 Azure 语音服务提供支持的联机语音识别。
Record a slide show with narration and slide timings
With a microphone, speakers, and a sound card, you can record your presentation and capture your voice narration, slide timings, and laser pointer gestures.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016
Microsoft アカウントを安全にセキュリティで保護する方法
強力なパスワードの作成、安全なメールの特定、アカウントアクティビティの確認など、Microsoft アカウントを安全に保つ方法について説明します。
Applies To:
Microsoft account dashboard
Apply sensitivity labels to your files and email - Microsoft Support
You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Outlook on the web, Excel for iPad, Word for iPad, PowerPoint for iPad, Excel for iPhone, Word for iPhone, PowerPoint for iPhone, Word for Android tablets, Excel for Android tablets, PowerPoint for Android tablets, Excel for Android phones, New Outlook for Windows, Outlook for Android, Outlook for iOS, PowerPoint for Android phones, Word for Android phones
Windows 中 HDR 视频的显示要求 - Microsoft 支持
要在 Windows 11 中播放 HDR 视频，显示器、电脑和显卡必须满足某些要求。 以下是具体要求： 显示器. 你的显示器可以是内置显示器，如笔记本电脑、平板电脑或二合一电脑上的显示器，或者可能是连接到电脑的外部显示器。
Excel functions (alphabetical) - Microsoft Support
A complete list of all Excel functions in alphabetical order.
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 Web App
Create and update an index - Microsoft Support
Create, update, or delete entries in a docuument's index. An index lists the terms and topics that are discussed in a document, along with the pages that they appear on.
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Translator in Outlook for Windows - Microsoft Support
Install theTranslator for Outlook to be able to read messages in other languages.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
帐户被锁定 - Microsoft 支持
如果尝试登录到帐户，但收到一条消息，表示该帐户被锁定，则这是因为与该帐户关联的活动可能违反了我们的使用条款。. 如何解锁 Microsoft 帐户