Can I use Duplicity with S4? Anamika October 20, 2017 11:13 Follow Yes, you can! Duplicity can use Tahoe-LAFS as a file server protocol and you can use S4 for your grid. In this case, you wouldn’t need Gridsync. Find more info here. Related articles Is my S4 account unlimited? How do I restore from S4 using the tahoe-backup command? How do I get my “invite code”? How many clients can I use with one S4 account? Comments 0 comments Please sign in to leave a comment.