What is a .WDSEML File And How To Open It – Mozilla (Guide)

Table of Contents


Have you came across a file with the .wdseml extension, but it is a file you have never seen before? Perhaps you know what the file is, but you simply don’t know how to open it. In this article we will explain what .wdseml file extension is, how to open it and how to work with it.

What is a .WDSEML file?

The .WDSEML file extension stands for Thunderbird Searchable Email File. It was developed by Mozilla. The file is a miscellaneous file.

What to know

There is currently 1 software that can open the .wdseml file on 1 platform.

How to open a .WDSEML file?

Below you can find an easy to understand, step-by-step guide to open the .WDSEML file on your operating system/device.

How to open a .WDSEML file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .wdseml file on Windows in 4 easy steps.

1. In the first step you need to download the Mozilla Thunderbird software. This software will be used for opening the file. Other software that can be used in opening this file is: Mozilla Thunderbird.

Step 2

Step 2: Locating your .WDSEML file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Mozilla Thunderbird software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .WDSEML file?

If you are still unable to open the .WDSEML file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .WDSEML file.wdw – PC SOFT, .wdz – PC SOFT, .wea – Autodesk, .weap – id Software, .weavelibrary – Corel. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .WDSEML file with the Mozilla Thunderbird program on Windows.