Tips to Resolve Outlook OST File Error after Windows Update| Upgrade

My Outlook profile is showing error after upgrading to Windows 10, I am unable to open Outlook but cannot access my mail accounts. I’m getting the following error:

"Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. File access is denied. You do not have the permission required to access the fileC:\Users\\Documents\Outlook Files\abc.ost"

"I’m getting this error after upgrading my Windows to its latest version Windows 10. I even tried to repair Microsoft Office package & reinstalled it. But still it don't work for me."

Reasons behind OST File Error & Problem you may face due to this error

• After upgrading the windows all the components on the hard drive gets updated. And if due to some reason Outlook component doesn’t gets updated then you may get this error.
• Sometimes it also happens due to skipping the "Permission adjustments", which may leads an error in Outlook and triggers the above the above error message.
• Sometimes upgrading Windows OS on your computer may create several issues to your Microsoft Outlook. The most common issue that Outlook users face after upgrading their Operating System is while starting and accessing their PST or OST file.

Techniques to Resolve OST File Error

If the above error occurs then you can try to initially resolve it by most common technique to tackle Outlook errors. They are as follows:

1. By configuring Navigation Pane
2. Creating a new Outlook profile and importing old data into new Outlook data file
3. Starting Outlook in Safe Mode
4. Disabling Compatibility Mode
5. By Regaining Access permission

If the above solution doesn’t workout then the corrupted OST file may be the reason for this error. We can resolve it by converting Outlook OST file into PST and then using Inbox Repair Tool to repair the file. So let’s see it in simple steps:

Fixing Outlook OST file error by converting OST file to PST

1. Start Microsoft Outlook
2. Go to File menu
3. Select on Archive
4. Select the file or folder that is to be archived
5. Browse the destination path for storing the Outlook data file
6. Click on OK to start the archiving process

Now after converting corrupted OST into PST file, we can use Inbox Repair tool to repair the PST file. The Inbox Repair tool is the free utility provided by Microsoft to resolve various Outlook issues and make it accessible.

But, if Inbox repair tool fails to resolve the problem as it can be used to repair only minor level corruption. Then OST Fixer tool can be useful to resolve and fix the Outlook error after Windows update.

Fix Error in Outlook using OST Fixer Tool

Outlook OST Recovery tool can easily recover and repair all errors in Outlook OST files after updating Windows OS in just few mouse clicks. It has potential of resolving all the errors in OST files formed on various versions of Outlook.

Note: It is advised to first try the demo version of the tool to analyse the effectiveness of the software.

Steps to Fix Outlook Error by converting OST file to PST file

1. Start OST Repair tool windows
2. Click on "Add File" to load the OST File
3. Choose the OST file from the folder
4. Select the Advance scanning Option
5. Choose all the file that is to be repaired and choose Export after right click
6. Now browse the file path for the exported file
7. Click on "Export" to continue the repair process and save the path for the file

Features of OST Repairing Tool

• Advanced mode to analyse and scan highly corrupted OST file.
• It can extract OST emails very instantly.
• Preview the recovered file.
• It can easily breakdown the OST file into smaller files or can also act as Split OST tool.
• Option to extract emails of desired time period.
• It can easily export Outlook OST file to PST, EML and MSG file format.

Conclusion

OST Fixer doesn’t only repair the corrupted Outlook Offline Data file but also helps to migrate OST file to PST. To save the copy on local hard drive, Microsoft Outlook store the copy of Exchange server’s data in OST format. And hence OST file comprises all the attributes of Outlook as in PST file. OST file may contain attributes such as: calendar, notes, tasks, etc. So depending upon the type of situation, you can successfully get rid ot the above described error by recovering corrupted Outlook OST file using the manual procedure or third party tool providing automatic solution.

As author of MS Outlook Tools, Peter has experience more than 21 years in IT industry and he is now working with an expert data recovery firm. He has quality expertise in Microsoft Outlook & love to solve users query by providing excellent solutions.