The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, best way to fix Outlook errors but we recommend moving to Windows 11.

Moreover, the software works with all versions of Outlook like 2021, 2019, best way to fix Outlook errors 2016, 2013, 2010, 2007, etc. Remo Repair Outlook (PST) tool can repair all sorts of corruption issues in your PST files. Whether corruption is caused due to storing the PST file on a server or due to bad sectors on the hard disk, the reason doesn’t matter