Step 1:

Please note that SSH access is only available from the ALL‑INKL Premium tariff.

Log in to the server with your SSH client and change to the directory in which the archive is stored.

To unpack the archive into the same directory, use the following command:
tar xzf [BACKUPFILE].tar.gz

with ZIP:
unzip [BACKUPFILE].zip

with GUNZIP:
gunzip [BACKUPFILE].gz