While the official free version of the All-in-One WP Migration plugin typically limits imports to 512MB, there are several community-shared methods to increase this limit to 100GB or more. Most of these methods involve using an older, modified version of the plugin (specifically version 6.77) or applying a "File Upload Unlocker" extension. Methods to Increase the Upload Limit to 100GB
If you insist on a direct import via the plugin, your server must meet these minimums: all-in-one wp migration 100gb
For a 100GB file, browser-based imports often fail due to timeouts. A more stable method involves uploading the file directly to your server. While the official free version of the All-in-One
Step 1: Audit Content
wp-content/uploads/year-old: Archive any images older than 2 years.wp-content/cache: This is session-specific; don't transfer cache.woocommerce_uploads: If you sell digital goods, re-upload them fresh; don't migrate old downloads.section in the plugin on your new site. Your 100GB file should appear there. Click section in the plugin on your new site
For a 100GB site, industry standards recommend migrating the filesystem separately from the database.