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How to Change File Extension on Android

​Changing file extension is a simple task and here are the steps (In this instance, I am using Moto G5 Plus):

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    ​Open the default file manager (the file manager that comes with your Android device).
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    Go to the location where you have the file for which you want to change the file extension.
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    Select the file by long pressing it.
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    Tap Overflow Menu (three vertical dots) at the top and then tap "Rename."
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    In the "Rename" popup, move the cursor to the end. Clear the existing file extension and provide the one you want. In our instance, I have removed png and provided the one I want (bak).
Rename popup with the bak file extension
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    ​Hit "OK."
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    Now, you can see "Confirm Rename" popup. Make sure to read the popup message and if you are OK with it, tap "OK."
Confirm Rename popup
File with bak file extension

That is all. The file extension is successfully changed.

Typically, using default file manager, you cannot change the file extension for multiple files at once.

However, you can do this task with the help of third-party file manager. Let's see the steps to do this task.

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    ​Install and open ES File Explorer File Manager app.
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    Go to the location where you have files for which you want to change the file extension.
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    Select the files you want.
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    Tap "Rename" which is beside "Delete."
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    In the "Batch Rename" popup, you can see "Rename extension name" option.
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    Provide the extension you prefer in that option.
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    Tap "OK."
Batch Rename popup with bak file extension
Files with bak file extension

​I hope that this guide is useful to you. If you like the information in this post, share this post with your friends.

How to Change File Extension on Android

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