If you tell me your (e.g., Bluehost, SiteGround, VPS), I can give you the specific file paths or PHP settings needed for your server.
This method works 100% of the time for sites up to 200GB, provided you have or a robust file manager (cPanel). You do not need to use the web uploader at all. allinone wp migration 100gb fix
It uses "chunking" to upload large files in smaller pieces, which tricks the server into accepting massive backups. If you tell me your (e