Protect a document with a password - Microsoft Support
How to password protect a Word document to prevent unauthorized access.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
External or guest sharing in OneDrive, SharePoint, and Lists
Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.
Applies To:
Microsoft Lists, OneDrive (work or school), OneDrive for Mac, OneDrive for Windows
Install and set up Office on an Android - Microsoft Support
How to install Office on your Android phone or tablet and use the apps with Microsoft 365.
Applies To:
Microsoft 365 for home, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office app for Android
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 セキュリティでのデバイス保護 - Microsoft サポート
Windows セキュリティで Windows デバイスのセキュリティ設定にアクセスして、悪意のあるソフトウェアからデバイスを保護する方法について説明します。
Insert a watermark - Microsoft Support
Add pre-configured text or a picture as a background or watermark to your documents.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word 2013
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10, version 21H2, including improvement and fixes, any known issues, and how to get the update.
Restrictions and limitations in OneDrive and SharePoint
Restrictions Invalid characters. Applies to: Certain characters have special meanings when used in file names in OneDrive, SharePoint, Windows and macOS, such as "*" for wildcards, and "\" in file name paths.
Applies To:
SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Use the Analysis ToolPak to perform complex data analysis
Learn how to use the Analysis ToolPak to perform complex Excel data analysis. Explore the various data analysis functions available in Excel.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Troubleshooting Microsoft Wireless Display Adapter
Learn how to troubleshoot video and audio problems with your Microsoft wireless display adapter.