Check your device performance and health in Windows Security
The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors:
Attach files in Outlook - Microsoft Support
Caution: Don't open an attachment sent in an email message unless you trust the content and the person who sent it to you.Attachments are a common method for spreading computer viruses. In the email message, select Preview from the drop-down menu next to the attachment to view the contents of the attachment without opening it.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016
Windows 11 中的节能设定 - Microsoft 支持
汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：
تنزيل Microsoft 365 أو Office 2021 وتثبيته أو إعادة تثبيته على جهاز ...
هل أنت جاهز لتثبيت البرنامج؟ قبل البدء، تأكد من أن الكمبيوتر الشخصي أو جهاز Mac يلبي متطلبات النظام.. إذا قمت بالفعل باسترداد مفتاح منتج، فأنت ببساطة تعيد تثبيت التطبيقات، أو تعلم أن لديك ترخيصا معينا من خلال العمل أو ...
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
在 Microsoft Edge 中恢复丢失或删除的收藏夹 - Microsoft 支持
现在，可以使用新的收藏夹恢复功能在 Microsoft Edge 中还原丢失或意外删除的收藏夹。 你需要登录到 Microsoft 帐户并 启用同步设置 才能使用收藏夹恢复功能。. 若要在 Microsoft Edge 中还原丢失或删除的收藏夹，请执行以下操作：
Applies To:
Microsoft Edge
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Cumulative Update 23 for Exchange Server 2016 (KB5011155)
Cumulative Update 23 for Microsoft Exchange Server 2016 was released on April 20, 2022. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2016. This update also includes new daylight saving time (DST) updates for Exchange Server 2016.
在 Windows 中以安全模式启动电脑 - Microsoft 支持
通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。
Sync SharePoint files and folders - Microsoft Support
Both options allow essentially the same thing—users can access files on their local computer in File Explorer or Finder. However, adding OneDrive shortcuts allows content to be accessed on all devices, whereas sync is related to a specific device.
Applies To:
SharePoint in Microsoft 365
如何使用电脑健康状况检查应用 - Microsoft 支持
注意: 如果设备上发现兼容性问题会中断使用 Windows 11 的体验，我们会暂时延迟升级，直到问题得到解决。兼容性保障措施有助于确保在升级时获得最佳体验，并且当关键应用或驱动程序尚不兼容时，工作效率不会中断。