All-in-One WP Migration plugin is a cornerstone tool for moving WordPress websites between hosts or domains with minimal technical effort. While the latest version is typically recommended for security, many users specifically seek out Version 6.77
(often referred to as version 6.7) because it was the last version to include certain native import features before they were transitioned to a paid "Unlimited" extension. WordPress.org Why Version 6.77 is Highly Sought After
Many WordPress users and developers look for this specific legacy version because of changes made in later updates (version 6.78 and beyond): Built-in Import Functionality
: Version 6.77 is widely considered the last version that reliably included the full import feature without requiring an additional, often paid, extension. High Upload Limits : Some modified versions of 6.77 found on platforms like allow for a massive
upload limit by default, bypassing the standard hosting restrictions often encountered by large sites. Ease of Use download version 6.7 of the all-in-one wp migration plugin
: Users often report that this specific version works "flawlessly" for one-time migrations when newer versions might encounter stalls or push for a forced paid upgrade. How to Install a Legacy Version If you have obtained the version 6.77
file from a trusted source, the installation process follows standard WordPress procedures: Deactivate Existing Plugin
: If you have a newer version of All-in-One WP Migration installed, you must first deactivate and delete it to avoid conflicts. Upload the Zip : In your WordPress dashboard, navigate to Plugins > Add New > Upload Plugin
: Once uploaded, activate the plugin. You should see the "Import" and "Export" options available in the sidebar. Increase Limits (Optional) : If you still face size limits, some users edit the constants.php file within the plugin editor to manually increase the AI1WM_MAX_FILE_SIZE Critical Security and Compatibility Risks All-in-One WP Migration plugin is a cornerstone tool
Using an outdated plugin version like 6.77 comes with significant trade-offs that you must consider:
wp ai1wm export to generate backups via cron jobs./cache or /logs) before export..htaccess file—a lifesaver for custom redirects.Go to the All-in-One WP Migration plugin page on WordPress.org:
https://wordpress.org/plugins/all-in-one-wp-migration/
Click the Advanced View link on the right sidebar.
Scroll down to the Previous Versions section. Pro Tips for Power Users
Look for Version 6.7 in the list.
If it's not there, try versions 6.70, 6.71, etc., as 6.7.x may be grouped.
Click the Download button next to it (a .zip file will be saved).
Version 6.7 fully supports PHP 7.2 and 7.3 while maintaining backward compatibility with PHP 5.6. For users on shared hosting environments that haven’t yet moved to PHP 8.0+, this ensures stability. It is less finicky about memory limits than versions 5.x, but not as resource-heavy as version 7.x.