ls /your-wordpress/wp-content/plugins/all-in-one-wp-migration-portable/ | grep PORTABLE

. Specifically, the 'Portable' version from the era before upload limits became a paid hostage situation. In the dev world, 6.77 was the "Golden Key"—the last version that allowed massive imports without a premium extension.

The "portable" designation means the plugin can run directly without complex server configurations. This makes it ideal for local development environments like XAMPP or LocalWP. Risks of Using Older Plugin Versions

php portable-extractor.php backup.wpress ./my-wordpress-files/

The official, current version of All-in-One WP Migration allows you to exclude certain files during export. You can exclude the wp-content/uploads folder to drastically reduce the file size, migrate the core database and themes, and then manually move your media library via FTP/SFTP. 3. Explore Secure Alternatives

| Issue | Solution | |-------|----------| | "Maximum execution time exceeded" | Increase max_execution_time to 600 in php.ini or add set_time_limit(0) to wp-config.php . | | "Disk space full" error | The .wpress extraction requires ~2x the archive size. Clear cache, old backups, or upgrade hosting. | | White screen after import | Version 6.77 may conflict with certain themes or caching plugins. Rename /wp-content/plugins/ via FTP to disable all plugins, then re-enable one by one. | | "Invalid file type" | Ensure you are using the correct .wpress file. Do not rename or edit it. | | Missing images after migration | Reload permalinks: . Also check that file permissions on /uploads/ are 755. |

Modified versions of version 6.77 found on GitHub perfectly fit this description.

Once the migration finishes, delete the older version and install the latest version to secure your site.

and delete any current version of All-in-One WP Migration you have installed.

WordPress core, your theme, and other plugins evolve rapidly. Version 6.77 has not been tested with recent versions of WordPress and PHP. You may encounter:

| Tool | Portable? | Handles Serialized Data? | File Size Limit | Needs WP Admin? | |------|-----------|------------------------|------------------|------------------| | | ✅ Yes | ✅ Yes | Unlimited (with edit) | ❌ No | | UpdraftPlus | ❌ No | ❌ Breaks widgets | 50MB free | ✅ Yes | | Duplicator | ❌ No | ✅ Yes | 100MB | ✅ Yes | | WP Migrate Lite | ❌ No | ✅ Partial | 5MB | ✅ Yes |

Choose the all-in-one-wp-migration-6.7.zip file you downloaded. Click , then click Activate Plugin . Step 2: Export Your Site (Old Site) Go to the All-in-One WP Migration menu in your dashboard. Click Export . Select Export To > File .

SiteVault Lite is a completely free alternative to All-in-One WP Migration Premium, with no storage caps, no file size limits, and no per-site licensing. It uses async processing to handle large sites without timeout or memory errors, and it works on all major hosting providers. Plus, it properly handles WordPress serialized data during migration, which many free plugins get wrong.