Microsoft Outlook displayed an error “OST file cannot be accessed” which means that we are unable to open OST file in Outlook 2016. I saw these kinds of error with so many people, so today I will help in resolving this error with manual and automated process both.
This happens with many users, and I saw many people who are suffering from the same issue that they are unable to access their OST file in Outlook 2016. I also experienced the same situation too, but I recovered it and successfully accessed my OST files. After reading the issues of users, I should share this that how quickly you can resolve this issue. As everyone knows that OST files are the copy of original data that stores on Exchange server. When we create an OST file, it makes a copy of entire user mailbox and stores it to system hard disk. If you created any change in OST that will reflect on Exchange Once you are connected with it. So, you can access OST files without any internet connection. However, apart from that if you are unable to access OST, then MS Outlook must be corrupted.
Benefits of using OST file
OST files are beneficial in many ways some of the benefits of OST files are stated as below:
- Access mailbox data without internet connectivity or low internet speed.
- Access user mailbox without establishing a connection with Exchange.
- OST can be used as a backup file if Exchange gets damaged, restores data from OST.
- To recover data from OST files, you have to convert OST file to PST.
- Sometimes, some emails are essential to restoring, OST files used in this case.
Disadvantages of using OST files
As OST files have some advantages like this OST files has some drawbacks also which are stated as follows:
- OST files are only used for the profile which it belongs to.
- If profile gets damaged or deleted, you cannot use OST file.
- To recover data from OST file, OST conversion tool is required.
Manual Approach to make OST file accessible
Before using any manual approach, please create a backup of your OST file. Because there may be chances of losing data while fixing issues. There is a way to fix errors of Outlook which are stated as below:
Disabled Outlook Cached Mode
Before applying this process, you have to close the End the task in Task Manager
- Close MS Outlook and open Control Panel.
- In Control Panel click on Select Mail and then choose Email Account.
- Now, choose Email Address which displays OST error and then select Change.
- After that unchecked “Cached Exchange Mode” then click on Next and Finish the process.
Drawbacks of Manual Approach
- It is very lengthy and time-consuming.
- Requires much technical expertise.
- It is not reliable for non- technical users.
- Does not ensure data integrity & security.
- Email hierarchy and properties may get altered.
Automated Tool
Kernel for OST Recovery
The software is programmed with an advanced algorithm that repairs harshly corrupted OST files and convert them into PST so, that you can easily access them in MS Outlook. OST Recovery tool retrieves user mailboxes from damaged OST and migrates it to PST. Moreover, if your OST is created in any version of MS Outlook, this tool supports them all.
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