Automatically fix URL strings during the import process.
Users can bypass the standard 512MB limit by editing the constants.php file to increase the AI1WM_MAX_FILE_SIZE .
// ================= // = Max File Size = // ================= define( 'AI1WM_MAX_FILE_SIZE', 2 << 28 ); Use code with caution.
On the new site, navigate to > Import . Drag and drop your .wpress file into the import box. all in one wp migration 677 download top
Open constants.php and scroll down toward line 282. Look for the data definition header that manages your maximum upload file sizes:
Version 6.77 is an older release (circa 2018) often sought out by users because it is the last version before more stringent file size limits were strictly enforced in the official WordPress.org Plugin Repository Legacy Appeal
The specific version number "6.77" (often shortened to "677") has become a key search term largely due to its association with a so-called "unlocked" or "unlimited" version of the plugin. Automatically fix URL strings during the import process
function without requiring an additional "File Extension" for larger sites. Current Version Comparison As of April 2026, the latest official release is Version 7.105 WordPress.org Version 6.77 Version 7.105 (Latest) Import Function May require additional extensions WordPress Compatibility Older environments Full support for WordPress 7.0 PHP Support Version 5.3+ Version 5.3 to PHP 8.5+ Deprecated; known vulnerabilities Actively patched against path traversal and SQL injections Key Reasons for Version 6.77 Popularity No File Size Limits
The is widely sought after because it is the last version that allows users to easily increase file upload limits by manually editing the plugin's code . Newer versions of the plugin (6.78 and above) require a separate paid extension to import files larger than a certain threshold. Why Version 6.77 is Preferred
: Obtain the all-in-one-wp-migration.6.77.zip file from a trusted source or developer archive like GitHub . Drag and drop your
: Unlike versions 6.78 and later, which may require an additional, non-repository plugin to import sites, 6.77 keeps everything in one package.
: Newer free versions often restrict the "Restore" function or require a separate paid extension for large files. Version 6.77 is frequently cited as the last "open" version for these features.