Recover lost or deleted files - Microsoft Support
Restoring files from previous versions. Restore deleted files and folders or restore a file or folder to a previous state. Navigate to the folder that used to contain the file or folder, right-click it, and then select Restore previous versions.
Sign in to Office - Microsoft Support
Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive. How you sign in to an installed Office app depends on your device.
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, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac
Fix Bluetooth problems in Windows - Microsoft Support
Fix Bluetooth problems in Windows. If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.
Change the refresh rate on your monitor in Windows
To change the refresh rate. Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate, select the rate you want. The refresh rates that appear depend on your display and what it supports. Select laptops and external displays will support higher refresh rates.
如何添加新的 Xbox 好友 | Xbox Support
在 Xbox 上，可以将好友添加到好友列表，关注玩家以了解他们正在执行的操作，并将最喜欢的好友放在列表顶部，以便容易找到。. 好友 是你希望通过群聊天、消息传递、游戏和查看其活动源与之交互的人员。. 通过将玩家添加为好友，即可成为他们的“关注者 ...
寻找好友 | Xbox Support
和更多的好友一起游玩，可以获得诸多好处。. 玩的游戏越多，对彼此的了解便更多。. 大家了解彼此的游戏风格、对善意调侃的接受程度，以及玩游戏的目标。. 大家互相支持，并乐于彼此分享道具完成精彩操作和击杀。. 要添加好友时，请按照以下步骤操作 ...
Get started with Microsoft Teams - Microsoft Support
Explore how Teams can help you and your colleagues come together no matter where you are: Chat - Message someone or a group to talk about work, projects, or just for fun. Teams - Create a team and channels to gather people together and work in focused spaces with conversations and files.
Applies To:
Microsoft Teams
Windows 10 update history - Microsoft Support
Microsoft Surface update history. Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Sign in to Microsoft Forms - Microsoft Support
Sign in to Microsoft Forms. Create surveys, quizzes, and polls, and easily see results as they come in. Invite others to respond to your form using any web browser or mobile device. Use built-in analytics to evaluate responses as they're submitted.
Applies To:
Microsoft Forms