Best compression - Support - Duplicati

Hello, I have an existing archive/backup set. I want to enable the best possible compression - that is, make the stored data as small as possible - I don’t care if that makes it slower. I guess this applies to de-duplication settings as well - if there’s any settings I should change regarding that to make the stored data smaller? I read some forum posts about this already, but they were too old so it was too confusing - some mentioned things that apparently have since changed, etc., so I’m as

Duplicati 2.0.7.1

EASY BACKUPS, Compressed, Encrypted, Rolling

Zip & Compression settings - Support - Duplicati

Overview of Duplicati Backups to Cloud Storage

Open Source Duplicati Alternatives: 25+ Backup Clients

Advanced Options LZMA - Support - Duplicati

Duplicati - store encrypted backups online - LinuxLinks

Overview of Duplicati Backups to Cloud Storage

Overview of Duplicati Backups to Cloud Storage

Set up Duplicati to back up your Neth Server - Howto - NethServer

Backing up files to a Backblaze B2 Cloud Bucket with Duplicati

Set up Duplicati to back up your Neth Server - Howto - NethServer

Duplicati 2.0.7.1

Introduction - Duplicati 2 User's Manual

Using The Graphical User Interface, PDF, Backup