Use System Restore - Microsoft Support
Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.
Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.
Download drivers and firmware for Surface - Microsoft Support
Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.
View sent email - Microsoft Support
If you don't see the Sent Items folder, you may need to change your Outlook settings. You can find your Sent Items folder in your folder list. If you have multiple email accounts in Outlook, each email account has its own Sent Items folder. Click Sent Items in the folder list.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Recovery options in Windows - Microsoft Support
You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again. If you've recently installed a Windows update, uninstall the update to try to resolve the issue.
Update to the new Microsoft Edge - Microsoft Support
Download and install the new Microsoft Edge. Make sure you have administrator privileges on your device and do the following: Go to the Microsoft Edge web page to download and install Microsoft Edge on your Windows, macOS, iOS, or Android device.
Open and find items in an Outlook Data File (.pst)
If you use a POP or IMAP account, then all of your Outlook information is stored in an Outlook data file, also known as a Personal Folders File (.pst). You might also use an Outlook data file to backup messages or store older items to keep the size of your mailbox small.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Troubleshoot Outlook for Windows issues - Microsoft Support
For information on emerging or known Outlook issues, go to Fixes or workarounds for recent issues in Outlook for PC. Right-click Start and select Task Manager. Select Microsoft Outlook, then End task. Check to make sure that new Outlook is closed, then close Task Manager.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, New Outlook for Windows
Find your documents in Windows - Microsoft Support
Find your files in Windows 10 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar. You'll see results for documents across your PC and OneDrive under Best match.
Import and export Outlook email, contacts, and calendar
Import to Outlook app. Import contacts from a CSV file. Import email, contacts, and calendar from a PST file. Import contacts from an Excel spreadsheet. Import contacts from iCloud (vCard .VCF file)
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2013, Outlook.com