If you are not a tech person then it is very hard to upload your WordPress website backup more than 512 MB. And it is very painful. In this article we resolve all this problem and at the end you are able to upload file over a terabyte (TB). Follow this step by step guideline to increase import size of all in one wp migration WordPress plugin increase maximum upload size in terabyte.
Follow this steps:

1. Download this version –> all-in-one-wp-migration

2. Upload this plugin in WordPress dashboard

3. Go to Plugin/Plugin Editor

Then Select plugin to edit: all-in-one wp migration
Click on Contstants.php
In Contstants.php search for this line

// = Max File Size =
// =================
define( 'AI1WM_MAX_FILE_SIZE', 2 << 28 );

Now change this number 28 to 56

define( 'AI1WM_MAX_FILE_SIZE', 2 << 56 );

4. Update the file.

Conclusion:

After all these steps you can see that file size is increased to 131,072 TB. Now try to Import your back up again and you will see that you file is uploading without any problem. But if your file is too large then then it will take long time. If you still have some doubts, then just comment below with your mail id and we will solve your problem.

About all in one wp migration plugin: This plugin imports and exports your WordPress website including the database, media files, plugins and themes with no technical knowledge required.
You can import/export your backup with the one-click feature.
Upload your site to a different location with a drag and drop into WordPress. Need more information contact us.

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