This blog post is created to discuss the Outlook fix. You will receive the message "OST is in use and cannot be accessed" if you try to open an OST file using Outlook.
Overview of the OST File
I assume that everyone here is familiar with the Outlook email program. PST and OST files make up the two types of files in Outlook. An offline folder that may be used without an internet connection is the OST file. But when the OST files become inaccessible, the issue appears. This difficulty is brought on by the numerous issues that are there. Therefore, you must first comprehend the causes of this error before you can fix "Outlook.ost is in use and cannot be accessed". Please visit the section below for more information.
Key Motivators for the Future. You cannot access ost because it is in use.
• When multiple users simultaneously attempt to access the same OST file.
• Failure to synchronize an OST file saved locally with an Exchange Server mailbox is possible.
• The other pieces of software in the system that work with Outlook are not reliable.
• When there is no power backup and the system is erroneously shut down.
• Network connection issues.
Also Read: Convert Outlook OST files with emails & Attachments
It's time to locate the answer, so look at the part below.
Manual Techniques for Outlook Repair.Error Message: ost is in Use and Cannot be Accessed
Here, I'll go through three manual ways to fix the error Outlook ost is in Use and Cannot be Accessed and recover your OST file.
#1 ScanOST.exe Internal Repair Tool Technique
Run scanOST.exe by performing the easy procedures.
• Close the MS Outlook program first.
• When the program asks you to provide the correct login so that the profile can be repaired, launch scanost.exe.
• When prompted to work offline, select 'Connect'.
• Choose the necessary folders and tick the "Repair Errors" box.
• To begin the scan procedure, click the "Begin Scan" button now.
2. When the OST file cannot be accessed, use this method to export OST to PST.
• Open MS Outlook first.
• 'File' > 'Open & Export' > 'Import and Export' should be selected.
• Then, choose "Export to a file" and then "Next."
• Choose 'Outlook Data File (.pst)' and then press the 'Next' button.
• Choose the folder from which the objects to be imported must be imported.
• Give the location of the folder where you want to save the PST file, then click "Finish."
#3 Uncheck the Cached Exchange Mode box.
• Close Microsoft Outlook.
• Select Start >> Control Panel >> Mail Now Navigate to the Email option after clicking the Email Accounts button.
• Choose the required email address for the OST file that is causing the error and press the 'Change' button.
• Uncheck the 'Use Cached Exchange Mode' box.
• Next, select 'Finish'.
Alternative Outlook Repair Method.Error: ost is in Use and Cannot Be Accessed.
If the aforementioned approaches fail to recover OST files and export them into Outlook PST files, you can attempt an alternative solution WholeClear OST to PST Converter program. It can quickly resolve the error "Outlook.ost is in use and cannot be accessed." It includes a number of functions, including the ability to recover corrupt OST files.
Conclusion
This article describes three manual and one automatic solution. Depending on your requirements, you can try any of these.