Open files from the File menu - Microsoft Support On the Mac, selecting the File menu and then Open (or just pressing Command+O) gets you to the File Open dialog box To access files from your Microsoft 365 Groups or SharePoint Online document libraries select the Sites - Your Company link You'll get a list of your frequently Groups and Sites to select from
March 10, 2026—KB5079473 (OS Builds 26200. 8037 and 26100. 8037 . . . OS Builds 26200 8037 and 26100 8037 This cumulative update for Windows 11, version 25H2 and 24H2 (KB5079473), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see
File Explorer automatically disables the preview feature for files . . . Summary Starting with Windows security updates released on and after October 14, 2025, File Explorer automatically disables the preview feature for files downloaded from the internet This change is designed to enhance security by preventing a vulnerability that could leak NTLM hashes when users preview potentially unsafe files For more details, review the following frequently asked questions
Restore a previous version of an Excel file - Microsoft Support How to restore an Excel file to an older version when the file can no longer be opened There are scenarios in which files become corrupted and can't be opens in Excel anymore When this happens, users can try to restore their files to older versions This is a workaround to prevent users from losing all their data
Zip and unzip files - Microsoft Support Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files In Windows, you work with zipped files and folders in the same way that you work with uncompressed files and folders Combine several files into a single zipped folder to more easily share a group of files To zip (compress) Locate the file or folder that you
Work with synced files in File Explorer - Microsoft Support What the "status" icons mean in File Explorer When you view a OneDrive or SharePoint folder in File Explorer, the status of each file is shown with an icon This ability is called Files on Demand —synced files are available in your file system when you need them, but they don't take up storage space on your device if you don't want them to