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Written By
Suman Rawat -
Approved By
Sonika Rawat -
Updated on
September 25th, 2025 -
Read Time
6 minutes
Changing email applications isn’t always easy, especially in the case of Microsoft Outlook and Mailbird. Outlook stores files in PST format, while Mailbird does not natively support PST files. This can be frustrating for users who want to import PST to Mailbird and don’t have Outlook on their PC anymore. The decision is a simple one, really, just figure out the simplest way to import data manually or by a professional PST Converter Tool.
Before you proceed to import Outlook PST file to Mailbird, it is necessary to understand a bit about them. Here’s a general description of both:
PST (Personal Storage Table): A proprietary file format used by Outlook to store emails, contacts, calendar, attachments, and all other items in a mailbox. PST files can be very large, and Outlook or a program that uses PST files will need to be present on your computer to access the file.
Mailbird: A Windows email application that includes a modern interface, unified inbox, and can integrate applications such as WhatsApp, Dropbox, and Slack, with a little help. Mailbird cannot import PST files natively, so this makes the transfer just a little bit harder.
User Query:
“I have PST files containing years of emails and attachments stored in them, but I don’t want to put Outlook back on my PC. A friend suggested moving to Mailbird. Do you know why Mailbird and if you know then, how do I open PST files in Mailbird without losing data?”
-Brit Kyle, London
The import here is necessary because of the following reasons:
But the main challenge is the file format compatibility. Also, simple drag and drop won’t help with the import of the entire data. So, choosing the right method is vital. Here, let’s proceed to find the most reliable solutions for this transfer.
We will discuss three top solutions for this import. The methods are simple and easy to follow.
This is the most common method preferred by users on a general basis. It involves the use of a built-in Import/Export Tool within Outlook. The steps are:
In case you do not have Outlook or are dealing with a large number of PSTs, a SysInfo PST Converter is the simplest solution. It is the fastest and safest way to migrate to Mailbird in an instant without restrictions or downtime. Plus, the smart tool converts PST files to formats that are compatible with Mailbird and imports without relying on Outlook. Moreover, it is very easy to use and completes the data transfer in an instant without much hassle.
Note: If needed, you can export Outlook to MBOX using this automated tool.
Working to Import PST to Mailbird
Client Review
“The team we support made the PST to Mailbird migration an effortless process. The PST Migration Tool saved us from a lot of manual effort. Our team imported over 50 GB of PST files across several systems that did not have Outlook installed, and every attachment was preserved. Everything was smooth, reliable, and a time saver!”
-Jonathan Reed, IT Head, USA
Pro Tip:
It may seem daunting to import PST to Mailbird without Outlook, but by following the correct approach, it gets easier than you think. While the manual IMAP approach is fine for smaller migrations. Organizations and users with large or orphaned PST files will benefit from a professional import tool. Not only will the process be more accurate and efficient, but it will also ensure attachments are preserved, and there is no downtime to your migration and experience with Mailbird.
Ans- No. Mailbird does not allow direct PST imports. You can use the free methods or, best, a PST File Converter for this task.
Ans- Not if you are using a professional PST to Mailbird Import Tool. It works without Outlook installation.
Ans- Yes, the PST Conversion Software allows you to choose which folders you would like to migrate, such as the Inbox, Sent Items, or custom folders you created. Also, you can use its Date Filter for the migration of particular folders from a period.
About The Author:
Suman Rawat is a technical content writer and expert in the fields of email migration, data recovery, and email backup. Her passion for helping people has led her to resolve many user queries related to data conversion and cloud backup.
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