“There was this error message I got while trying to open OST file - Error has been detected in the file c:\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook\outlook.ost. Quit Outlook and all mail applications, and use Inbox repair tool (scanpst.exe) to diagnose and repair errors in the file. and thereafter, everything stopped working from Mails to Calendar to Tasks. I have no idea how to go about this problem!”
“Errors detected in Outlook OST file” clearly indicates that the Offline Storage Table (OST) file is corrupted. There are various reasons for OST file to get corrupted, some of them include –
These instances lead to OST file corruption, in turn, the issue "errors have been detected in Outlook OST file”. You can see the message “Use Inbox repair tool (scanpst.exe) to diagnose and repair errors in the file” along with the OST error.
So, run ScanPST and try to fix the issue “errors have been detected in the file Outlook OST” using below steps.
Though Microsoft Office Outlook application provided a built-in Inbox Repair tool- Scanpst.exe to fix corrupt OST and PST files, this tool can only repair minor errors in Outlook data file. Major issues with your OST file cannot be fixed with Scanpst.exe. So, find below the best approach to solve "errors have been detected in Outlook OST file".
Remo Repair PST is an award-winning Outlook PST Repair tool that will safely repair even your corrupt/damaged OST file. This is an advanced MS Exchange OST repair software which easily converts corrupted OST to healthy file. It fixes OST errors and gets your access back to Outlook data. During the file repair process, this tool can fix OST errors and also recover lost or deleted email folders along with Outlook attributes like notes, tasks, contacts, schedule, calendars, reminders, journals, RSS subscriptions etc. The utility re-generates a healthy OST file by extracting and repairing data from the original OST file. Also, it offers one of the best Outlook OST to PST converter software if you are looking an easy way to do the task.
This robust utility can be easily used on all Windows platforms to repair corrupt data files of MS Outlook 2000, Outlook 2003, Outlook 2007, Outlook 2010, Outlook 2013 and Outlook 2016 editions.
Step 1: Launch Remo Repair PST wizard and select the corrupted OST file.
Figure 1: Main Screen
Step 2: Click Smart Scan, select destination location to save repaired OST file and hit the Repair button.
Figure 2: Start OST Repair Process
When the file repair process is completed, the fixed OST file can be viewed along with its recovered data.
Figure 3: Preview Window