How to upload files with File Manager in Plesk
To upload files with File Manager, perform the following steps:
1 – Logged in to Plesk.
2 – Go to Websites & Domains.
3 – Click File Manager under the domain you want to manage it.
4 – Navigate to the folder where you want to upload files.
5 – Click Upload from Toolbar.
6 – Select the files you want to upload from your computer, then click Open.