MBOX files can be used with many email programs; OST files are unique to Outlook. This implies that before you can access your data in the new email client, you will have to transfer/migrate OST to Thunderbird if you change Outlook to another email client. We shall go over numerous ways to use the manual or advanced OST to PST converter tool to translate OST to MBOX format in this article. Apart from the advantages of applying the MBOX structure. Let's now begin without delay.

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An Overview of MBOX and OST Formats

When you're working offline, Microsoft Outlook stores emails, calendars, contacts, and other data in OST (Offline Storage Table). Outlook only uses this proprietary style, which is meant to let you access your data even in cases of non-internet connectivity. Conversely, a more general file format utilized by several email clients, including Apple Mail, Thunderbird, and other MBOX, is used in MBOX files. They are essentially text files including the headers, body, and attachments from your email messages. 

Following the OST and MBOX formats, let's discuss the reasoning for OST to MBOX conversion. 

Motives Driving to the Transfer/Migrate OST into Thunderbird

Although OST and MBOX are important file formats for email data management and archiving, different email client kinds make use of them and have varied purposes.

  • These provide the grounds for the OST to MBOX conversion.
  • MBOX files operate with more email clients, thus switching programs makes more sense.
  • Unlike OST, MBOX files can be readily shared and transferred.
  • MBOX is a more globally applicable long-term storage format.
  • Moving to new email systems is made easier by converting OST to MBOX.
  • MBOX conversion provides access to data should Outlook have problems.

Let's now investigate some effective strategies to apply the various techniques to convert OST files to MBOX format.

Manual Methods: Transfer/Migrate OST into Thunderbird

Using the manual approach does not immediately allow one to convert OST to MBOX. We shall thus go over the hand-made approach, which exports OST to Thunderbird MBOX format in three basic steps. Let's delve further down below.

#1: Outlook helps you convert OST to PST.

  1. Launch Microsoft Outlook then navigate to the File menu.
  2. Choose Open & Export first; then, import or export.
  3. Click next, then Export to a file.
  4. Click next after Outlook Data File (.pst).
  5. Click next, following the folders you wish to export.
  6. Click Finish, then decide where to save the PST file.

#2: Import PST Into The Thunderbird Account.

  1. Open Thunderbird, then refer to the File menu.
  2. Choose Mail after Select Import.
  3. Click next, then choose "Outlook Personal Folders (.pst).
  4. Click Open after browsing over the PST file you exported in the last step.
  5. Load the PST file into your Thunderbird account using the instructions.

#3: Export Thunderbird Account to MBOX

  1. Go to the File menu in Thunderbird and choose Export.
  2. Pick Mail then Export to MBOX File.
  3. Click next from the folders you wish to export.
  4. Select a spot to save the MBOX file and click Save.

Following these guidelines will enable you to manually translate OST into MBOX format for use with various email applications. Still, there are numerous restrictions noted below.

Negative Aspects of the Manual Method

  • Time-consuming procedure
  • Hazard of corruption or data loss
  • Absence of sophisticated converting tools
  • Problems in compatibility between several email providers
  • It is called technical knowledge.

Because of its various restrictions, the manual approach is at your own risk; if you have a lot of data, I do not suggest you use it. In this case, you should apply the automatically suggested solution found below in the penalty.

Quick Tips: Transfer/Migrate OST to Thunderbird

The TrustVare OST to MBOX Convert is the most effective way to transfer/migrate OST to Thunderbird (MBOX) format. They run in all Windows versions, including Windows 11,10,8,8.1,7, etc. This software installs itself rather effortlessly. With a few clicks, free of technical knowledge, their simple-to-use interfaces help the user rapidly transfer/migrate OST to Thunderbird. The app claims highly advanced degrees of compatibility. This application comes with batch-converting tools. Support filtration of easily available and healthy OST files turns into Thunderbird. Both individuals and businesses that are used would suit them. Users of the free edition of the service can convert a few email items per folder.

Instructions:

  1. Download and run the OST to MBOX Converter software.
  2. Add the files/folders from the browser option.

  3. Check the preview on the screen.

  4. Select MBOX as the Export Type.
  5. Choose the location where you save the converted file.

  6. Finally, Click on the Convert Now option.

Final Thought

This blog has helped you to better grasp several approaches to transfer/migrate OST to Thunderbird. Should your data be limited, you can apply the handcrafted solution. Conversely, if you have a lot of data, you can utilize the expert approach to translate OST files to MBOX with any capacity. To evaluate the performance of the product, we advise you to download the free trial edition. Live chat allows you to contact our technical staff should you have any questions.