You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. You might want to use the Inbox Repair tool in the following situations:

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Sign in with the Microsoft account you associated with this version of Microsoft 365 . Forgot your account details? See I forgot the account I use with Office. From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.

Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method 1 or 2. If one method doesn’t work, try the other. Method 1: View the System window in Control Panel.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

For version 2004, 20H2, and 21H1 devices that receive updates directly from Windows Update, devices automatically get the enablement package by installing the feature update to Windows 10, version 21H2. If a device is updating from Windows 10, version 1909 or an earlier version, this feature update enablement package cannot be manually installed.

After installing this update, text input using a Japanese IME might be entered out of order or the text cursor might move unexpectedly in apps that use the multibyte character set (MBCS). This issue affects both the Microsoft Japanese IME and third-party Japanese IMEs. This issue is resolved in KB5009566.