Visit the official plugin demo on WordPress.org, where you can import a file as large as 2GB using the same plugin. This confirms the plugin is not the limiting factor.
(Note: Setting max_execution_time to 0 allows the script to run indefinitely until finished). Option B: Edit the wp-config.php file allinone wp migration 100gb fix
Your 100GB site is not heavy; it's just a database and a folder of files. Go migrate it. Visit the official plugin demo on WordPress
If you need to move a 100GB site but cannot afford the Unlimited Extension and lack server access, several free workarounds exist. Option B: Edit the wp-config
The first and most important step to fixing this is to separate fact from fiction about the plugin's upload size limits. A common point of confusion for many users is the true origin of that "maximum upload size" warning.