Method B: The FTP / File Manager Bypass Method (Alternative)
Moving an enterprise-level, asset-heavy site presents major logistical challenges. Standard shared hosting environments routinely drop connections long before a 100GB file can upload or process.
: Enables the "Restore" button for backups already on the server.
The free version of is capped by your host’s upload limit, usually around 512MB. While you can try to increase this limit through PHP configuration, migrating a 100GB site requires specialized handling to avoid database timeouts, memory exhaustion, and interrupted file transfers. Solution: All-in-One WP Migration Unlimited Extension
Increase the value (e.g., adding * 20 or changing the base number) to reach your desired limit, like 100GB. On your destination site: Go to All-in-One WP Migration > Import .
Sometimes the "limit" is actually your server's PHP configuration rather than the plugin itself. You may need to increase these values in your php.ini or .htaccess file: upload_max_filesize = 100G post_max_size = 100G max_execution_time = 3600 memory_limit = 1024M
memory_limit = 1024M max_execution_time = 86400 max_input_time = 86400 post_max_size = 100G upload_max_filesize = 100G Use code with caution.
Use an FTP client (like FileZilla) or your hosting control panel's File Manager. Connect to your server. Navigate to /wp-content/ai1wm-backups/ . Upload your 100GB .wpress file directly into this folder.
Wait for the export process to finish. if you chose the "File" option. For a 100GB site, this can take several hours depending on your server's disk read speeds. Step 4: Prepare the Destination Site Set up a fresh WordPress installation on your new server. Install the All-in-One WP Migration plugin.
Install the and the Unlimited Extension . Go to All-in-One WP Migration > Import . Drag and drop the .wpress file.
Recommended workflows for migrating ~100 GB with All-in-One WP Migration
Standard PHP execution limits ( max_execution_time ) will kill the migration process mid-way. Method 1: The Official Unlimited Extension
On the target site, connect the same cloud extension, view your backups list, and click Import . The destination server pulls the file directly from the cloud bucket. Method 3: Manual Upload to the Backups Folder (FTP/CLI)
These specific extensions allow the plugin to push the 100GB file directly from your old server to cloud storage, and pull it down straight to the new server. This completely bypasses your personal internet bandwidth limitations. Phase 2: Optimizing Server Resources
