Open the all-in-one-wp-migration.php file. Look for:
The safest pattern: Install the fixed plugin → perform your migration → . Do not keep it active for daily backups.
: Never update these plugins through the WordPress dashboard. Updating will overwrite the "fix" and lock your imports. If you'd like, I can help you: Find the official free methods to increase upload limits.
Increase Maximum Upload File Size in an All-in-One WP Migration Plugin
If you have ever tried to move a large WordPress website, you have likely encountered the plugin. It is arguably the most user-friendly migration tool on the market. However, the free version comes with a crippling limitation: a maximum import file size of 512MB .
Add this to your theme’s functions.php temporarily:
You can export your /wp-content/ folder via FTP and export your database via phpMyAdmin. This is 100% free, has no size limits, and is the most professional way to move a site.