The error 0x a usually occurs due to operation timeout when Outlook tries to connect to the mail server to perform send or receive operation. To resolve this error, check the internet connection and run the Outlook Fix Blog SFC (System File Checker) scan on your system. For complete information on this error and its solutions, follow our guide on How to resolve the error "0x800CCC13" Outlook cannot connect to Server. This issue may occur due to problems with Outlook indexing, problematic add-ins, or issues with the Windows search service.
To resolve this issue, switch Outlook from read-only mode and try moving your PST file from external drive to hard drive. You can check that the Outlook configuration settings are correct and your internet connection is stable. You may also temporary disable your firewall or antivirus program to check if it’s responsible for the error. If the PST file is corrupted, you can try repairing the file using the Inbox Repair Tool (SCANPST.exe).
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, Outlook Fix Blog but we recommend moving to Windows 11.
Moreover, the software works with all versions of Outlook like 2021, 2019, Outlook Fix Blog 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