How to fix ‘Cannot open your default email folders’ Outlook Error?

by David Abraham | On January 2, 2019 | Under ost to pst converter


MS Outlook is a perfect email client and mail server for Windows as well as Mac devices. It is known as the most user-friendly email service thus has attracted a huge database of global users.

Irrespective of the bundle of impressive features and an intuitive GUI, it has few loopholes such the sudden occurrence of technical hitches. These unexpected and uninvited issues can cause great stress among MS Outlook users.

There are numerous forums as well as open-discussion platforms available which allow users to share their concern with the entire community of Outlook-users. All such platforms are evident that issues are occurring in a very regular and repetitive fashion. One of the common technical glitches is “Cannot open your default email folders” which is basically the result of OST file corruption.

Let’s Understand in a Detailed Manner “Why OST File Corrupts?”

Online Storage table (OST) is basically the clone of the original mailbox on the MS Outlook Exchange server. This file keeps updating itself by synchronizing with Exchange mailbox at regular intervals. So, it makes the mailbox data accessible to users even in the absence of server connectivity. However, a few times, an OST file become inaccessible and this can happen due to a plethora of reasons.

Common Reasons Why OST files Become Unapproachable:

How to fix the OST file corrupted issues?

In order to troubleshoot the corruption on OST file, the below-given steps can help if performed carefully:

Clear the silent Outlook profile:

The Error Caused by Compatibility Mode:

Compatibility mode is not necessary for the execution of Outlook while using Windows operating system, be it Win 7, 8, 8.1, and 10. So, avoid using the compatibility mode while using a web application on Windows-based devices

If you are running Outlook in the compatibility mode, the below-given errors are most likely to happen:

To disable the compatible mode on 64-bit Windows operating system, follow the underneath mentioned steps:

If compatibility mode is not visible try the below-given steps:

Recover OST to PST Converter:

The Recovee OST to PST converter software which is designed to deal with the accessibility issues with OST files.

Using this comprehensive tool, one can repair or re-create the damaged or corrupted OST files without worrying of data-loss. OST recovery tool has a very user-friendly interface which makes the recovery easier than ever. Also, the best quality of results is guaranteed with Recovee OST to PST converter. Moreover, with this intuitive software, you can import the corrupted or inaccessible OST files in bulk and recover them all at once.


The above-described issue can lead you to data loss and affect your productivity. So, follow the above- given troubleshooting methods to resolve this issue in one go. Above all, using a professional tool like Recovee OST to PST converter is the most straightforward solution to such complex issues.

Download OST to PST Converter

Leave a Comment

If you would like to make a comment, please fill out the form below.

Name (required)

Email (required)