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Repair Outlook.OST Could Not Be Accessed After CRC Error
“When I tried to access Outlook OST file data on my laptop, all of a sudden it showed an error message stating…. “outlook.ost could not be accessed (Cyclic Redundancy Check error)” How can I resolve this error and access my Outlook OST file? Someone please help.”
Many Outlook users may come across errors like the one mentioned above and worry thinking how to resolve this cyclic redundancy error. Before knowing about it lets have a look at what this cyclic redundancy error refer to.
“Outlook.ost could not be accessed: Cyclic Redundancy Check error”
Cyclic Redundancy Check or CRC is nothing but change in the data bits of source file with destination file. When Outlook says OST file cannot be accessed due to CRC then OST file will become useless. All mail data will be out of reach and one cannot copy this file to another location either. Mainly this error is due to hard drive bad media spots at the location where OST file is saved. It implies that there is some problem with the data you are trying to access. Also, sometimes it could be because of OST file corruption. However, since OST file is a duplicate of mailbox from Server, you can just delete this OST file or rename it as old.outlook.ost and re-generate the file again. But, if corrupted OST file has something precious information and cannot be lost then here are few workarounds.
“Make use of ScanPST tool to fix the issue. For this, close Outlook if opened -> Navigate to Microsoft Outlook folder in C drive. In 32-bit Windows OS, navigate to ‘c:\Program Files\Microsoft Office\Office XX’. If your Windows is 64-bit OS then browse for ‘c:\Program Files(x86)\Microsoft Office\Office XX’. Reaching there, search for scanpst.exe and double-click on it. Before repairing the file, make a backup. Double-click on the Outlook OST file from its default location and start repair process. When Repair completes, close the window.”
If this doesn’t help, then convert this erratic OST file to healthy PST file using some third party application.
Converting Outlook inaccessible OST after CRC error to PST format:
With the use of Yodot OST to PST Converter program you can easily fix error Outlook.OST could not be accessed cyclic redundancy check on Windows system. This tool is capable of repairing OST file that is corrupted, invalid, unreadable, oversized or erratic due to various reasons. Apart from fixing CRC error with Outlook OST, this program can also convert OST file after Sync error, cannot find OST file error, OST file is not an Offline folder file error, Outlook OST file is corrupted error, Outlook cannot read OST file error and many more. This utility has caliber to convert any OST file from MS Office 2000 and above Outlook versions to healthy PST file. It can be employed on Windows Server 2003, Windows Server 2008, Windows 7, Windows 8, Window 8.1, Windows Vista and XP OS based computers with no trouble.
Guidelines for conversion of error showing OST file to PST:
- Download Yodot OST to PST Converter program on your Windows system
- Next, in main screen click for ‘Open OST File’ or ‘Find OST File’ option to select Outlook inaccessible OST file from system hard drive
- After choosing required OST file, click next and commence scanning process
- Once scanning finishes, browse for a destination path where converted OST file should be stored and click on ‘Convert’ button
- After conversion, view your new PST file contents in Preview mode
- Save this converted file to mentioned location by purchasing product key
- Avoid mistakes that would corrupt OST file on MS Outlook
- Do not terminate Outlook abruptly when synchronizing with Exchange Server or while working on OST file contents