Windows share window: Select the Outlook icon in the “Share using” section of the Windows share window to email your files using Outlook directly within the windows share window.It also has a search box. So, you can now search for contacts across Outlook to share a file. The Windows share window also displays 8-10 suggested contacts to quickly share to–including emailing yourself a file.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

Explore the new and refreshed apps of Windows 11, from Photos to Microsoft Store. Watch the video and read tips to find tools to stay creative and productive, whether on your phone or on your PC.

Excel contains several functions to help you count the number of cells in a range that are blank or contain certain types of data. Select the cell where you want the result to appear.

Grouping data in a PivotTable can help you show a subset of data to analyze. For example, you may want to group an unwieldy list date and time fields in the PivotTable into quarters and months

Start Outlook in safe mode to fix "Processing" screen. If Outlook stops responding at a screen that says "Processing," you can close Outlook, start it in safe mode, then close it and open it normally to fix the problem.

Ten days after you upgrade to Windows, your previous version of Windows will be automatically deleted from your PC. However, if you need to free up drive space, and you’re confident that your files and settings are where you want them to be in Windows, you can safely delete it yourself.

Training: With Microsoft Outlook on your PC, Mac or mobile device, you can organize email, share your calendar, schedule meetings, and share files. Watch this online video.

Select this option to import Internet Explorer Browsing History into Microsoft Edge. Because the Top sites shown in the New tab page are generated based on the browsing history in Microsoft Edge, you may see the Top sites change based on the imported history data.

Using the equal sign to type text or a value. Because the equal sign (=) is used to indicate a formula when you type text or a value in a cell, Excel evaluates what you type; however, this may cause unexpected filter results.To indicate an equality comparison operator for either text or a value, type the criteria as a string expression in the appropriate cell in the criteria range: