Recover lost files on Windows 10 - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.
Files are deleted permanently after you redirect the Recycle Bin by ...
Fixes an issue in which recycled files are deleted permanently if you delete files from a DFS link in a network environment on a client computer that is running Windows 7 or Windows Server 2008 R2 after you redirect the Recycle Bin to the DFS link.
Mitigation of a large number of block events that collect in the MDATP ...
To do this, delete all the NI files in the NativeImages directory and then run the ngen update command to regenerate them. Describes how to mitigate large numbers of block events that collect in the MDATP portal.
Running troubleshooters in Get Help - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to start that troubleshooter.
Delete items from the site collection recycle bin
Items that have been deleted from a SharePoint in Microsoft 365 site Recycle Bin are kept in the site collection Recycle Bin (or second-stage Recycle Bin). If you're a site collection administrator, you can permanently remove these items by deleting them from the site collection Recycle Bin.
Applies To: SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, SharePoint Foundation 2010, SharePoint Server 2010
How to start a scan for viruses or malware in Microsoft Defender
You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. From the Microsoft Defender dashboard. If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Restore items in the recycle bin that were deleted from SharePoint or ...
If you delete files or folders that you're syncing, you can restore them from the Windows recycle bin on your PC. To put your Windows recycle bin on your desktop, see Show or hide the Recycle Bin. The information in this article also applies to OneDrive (for work or school) files.
Applies To: SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, SharePoint Server 2010, Microsoft Teams
Use the Analysis ToolPak to perform complex data analysis
If you need to develop complex statistical or engineering analyses, you can save steps and time by using the Analysis ToolPak. You provide the data and parameters for each analysis, and the tool uses the appropriate statistical or engineering macro functions to calculate and display the results in an output table.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Restore deleted items from the site collection recycle bin
If you're a SharePoint administrator, you can restore a site collection using PowerShell. For info, see Restore-SPDeletedSite. There are two Recycle Bins, the site Recycle Bin (first-stage) and site collection Recycle Bin (second-stage). The default retention period for any item is 30 days.
Applies To: SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365