Updated on September 14th, 2023
There are multiple differences between an OST and MBOX file format Based on the parameters such as description, email client support, and file size limit.
|Parameters||OST File Format||MBOX File Format|
|Description||OST files are known to be Outlook Data Files. It’s been supported by Microsoft Outlook and helps users work Offline Mode. It can store account information and data such as Email Messages, tasks, calendars, contacts, etc.||MBOX is the file format used to collect messages from electronic mail. It stores a desired folder’s messages in a separate database file.|
|Email client Supports||Two Email Clients, such as Microsoft Outlook and Exchange Server, support OST FIle.||Multiple Email Client supports the MBOX File format, such as Mozilla Thunderbird, Apple Mail, Eudora, etc.|
|Size Limit of File||Preconfigured limit of 50 GB||In MBOX there is a limitation of 4.7 GB.|
More than 30+ email clients/ services use the MBOX file format. Emails, Contacts, Calendars, Notes, etc. These multiple items can be stored in MBOX file format. Sometimes users need to import the OST folder into Thunderbird. Apple Mail etc., which supports MBOX file format only. Due to this reason, we need to convert the OST File to MBOX file format. There can be multiple other reasons to export emails from Outlook OST to MBOX, such as:
There can be multiple reasons why people need to convert OST emails to MBOX. Now let’s proceed with the methods to migrate all emails from an OST file to MBOX.
Manually conversion of OST files to MBOX format is not a single-step process. Firstly, you need to change OST files into PST files. After that, you need to convert PST file into MBOX to open them.
Two-step process to convert OST file to MBOX:
There are two various ways by which you can convert your OST files into PST, so let’s move forward to learn both procedures.
Steps to convert OST to PST using Import/Export options are as follows-
This is one way to export OST to PST by using Import/Export option in Outlook. However, if you have any difficulty following the above process then you can also opt for the next technique to save OST into PST file format.
When the archiving option is enabled, Outlook emails from OST files are preserved in a separate PST file. However, keeping the old mailbox contents in the archive folder also aids in maintaining a healthy mailbox size.
The step to convert OST to PST using archiving method are as follows:
Following the steps mentioned above, the OST mailbox items from your account will be transferred to the PST files based on Archiving settings. Now, let us import the PST file to MBOX to complete the process of converting OST to Thunderbird.
As you see, the manual conversion of OST files to MBOX format is complete. But the manual approach also has some limitations because users search for alternatives to convert OST files to MBOX. Let us further discuss some limitations in detail in a manual approach.
To avoid such problems, we suggest an alternative approach to convert the OST file to MBOX file format. This solution is 100% trustworthy, and IT professionals strongly recommend it. So continue to know more about the advanced solution to import your OST files into Thunderbird in one go.
OST to PST Converter is the top notch tool to export emails from Outlook OST to MBOX. This software is known for its effectiveness and efficiency as a benefit. Using these tools, users can convert OST files to many other files such as PST, MBOX, MSG, EML, EMLX, CSV, etc. It also migrates OST files to Office 365, Gmail, Thunderbird, Amazon WorkMail, etc. In addition, it is compatible with all versions of Windows versions. Now let’s see the step-by-step procedure to migrate data from Outlook OST to MBOX.
Note :- You can also select the folder by selecting the option Select Folder icon.
Note: Choose the features as per your requirements.
In the above write-up, we have discussed and elaborated the step-by-step guidelines of both manual and advanced procedures to convert OST to MBOX file format. However, the manual method has some limitations, while the contrary, professional method is more effective and reliable. You can opt for any of the methods at your convenience, but we suggest the professional approach as it is highly recommended by professionals to export emails from Outlook OST to MBOX.
Ans- Multiple OST Files can be converted to any other File format in just a single attempt by using the OST to PST Converter Software. It is the most reliable and efficient tool that converts single/ multiple files and can also convert the full folder.
Ans- Yes, the OST to PST Converter tool is compatible with all Windows versions, including Windows 11. This software is more effective and provides 100% higher precision.
About The Author:
As a Technical expert, I love to write blogs on email migration, data recovery, and cloud migration. In my free time, I like to research new things related to technology.