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排查Windows 媒体播放器错误 - Microsoft 支持
如果遇到特定文件类型的错误,则可能是编解码器缺失或过时。 若要解决此问题,请执行以下操作: 检查文件属性: 确保电脑上有正确的编解码器来播放媒体文件。 若要检查文件格式和编解码器信息,请右键单击媒体文件,选择“属性”,然后转到“详细信息”选项卡。
What is Data Execution Prevention (DEP)? - Microsoft Support
Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.
OneDrive release notes - Microsoft Support
New features gradually rolling out: Improvements to folder backup opt-out experience.We are updating the behavior when users turn off folder backup.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Scaricare e installare o reinstallare Microsoft 365 o Office 2021 in un ...
Tutto pronto per l'installazione? Prima di iniziare, assicurati che il PC o il Mac soddisfi i requisiti di sistema.. Se hai già riscattato un codice Product Key, stai semplicemente reinstallando le app o sai di avere una licenza assegnata tramite l'azienda o l'istituto di istruzione, puoi andare avanti e passare alla sezione accedi per scaricare e installare Microsoft 365 o Office.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
KB5034441: Windows Recovery Environment update for Windows 10, version ...
IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.
Microsoft Edge for mobile FAQs - Microsoft Support
Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.
Insert ASCII or Unicode Latin-based symbols and characters
Inserting ASCII characters. To insert an ASCII character, press and hold down ALT while typing the character code. For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad.
Applies To: Excel for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Publisher for Microsoft 365, Excel 2021, Outlook 2021, PowerPoint 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Outlook 2019, PowerPoint 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
Download language pack for speech - Microsoft Support
Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.
Windows sign-in options and account protection - Microsoft Support
To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.