After you have setup the multi supplier import a Import multi button will show on the import data page.
Top menu >> Import data
Click Import multi.

Select the Master agent import matrix and Choose File after.

Click Upload.

The next page will show 3 options:
- Finish import: this option finishes the import
- View buffer: when supplier commission data is uploaded it goes into a temporary buffer so it can be reviewed before the import is completed.
- Replace with new upload: this option allows you to replace the current import with a new one

See also: