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Duplicacy User Guide
How-to

Getting started Duplicacy licenses (free and paid) Download Duplicacy or Build Duplicacy from source Quick Start tutorial (Web-UI version) Quick Start tutorial (CLI version) Quick Start tutorial (GUI version) Supp…

12 44088 16 February 2021
S3 Backend - Support for AWS_SESSION_TOKEN (STS)
Feature
amazon-s3
5 1710 28 August 2025
Scheduled pruning appears hung on "prune in progress"
Support
4 325 20 August 2025
'Best' cloud storage backend in 2025
Support
38 1395 14 August 2025
Exclude online-only files on Windows for cloud drives like OneDrive and Proton Drive
Support
backup ,  filters ,  onedrive
3 134 13 August 2025
How do I keep the quickbpplsbackup and prune older?
1 85 13 August 2025
What is the suggested way to merge two different storages that are impompatible?
Support
copy
5 925 11 August 2025
SFTP: Runaway sshd processes on retries/reconnects
Bug
0 99 11 August 2025
Basic set up and questions
Support
0 125 8 August 2025
License transfer to new docker container on server reload
Support
6 207 3 August 2025
Building 3.2.5 from source fails
Support
0 121 1 August 2025
Unraid XFS vs Btrfs for local backup
Support
3 470 30 July 2025
In a weird cycle where chunks and revisions are pruned in remote storage then re-copied from local
Support
2 171 28 July 2025
Failed Backup to NAS over SMB
Support
2 165 27 July 2025
How to remove old backups in Web GUI
Support
gui
9 300 27 July 2025
Filter help - inlcude files AND dirs
Support
6 197 23 July 2025
Still exit code 100 on restore from encrypted Storage
Support
2 169 22 July 2025
Is it normal to have a very large "fossils" folder?
Support
prune
8 902 21 July 2025
Backup larger than original?
Support
6 192 21 July 2025
Keeping Duplicacy updated?
Support
3 312 29 July 2025
Kopia vs Duplicacy
Praise
comparison
24 11587 18 July 2025
How can I change the compression after making a backup?
Support
web-ui
4 161 18 July 2025
Prune should keep the last backup in the specified period
Feature
7 845 16 July 2025
OneDrive: failed to refresh the access token: 400 Unexpected response
Support
backup
3 196 16 July 2025
Duplicacy not backing up new revision of encrypted container with small changes
Support
backup
7 244 15 July 2025
Email notifications - Outlook smtp, or what should i use?
Support
1 185 14 July 2025
How do I get a storage to "forget" a backup with no rev?
Support
2 171 13 July 2025
Supported storage backends
How-to
dropbox ,  google-cloud-storage ,  azure ,  digitalocean ,  sftp ,  amazon-s3 ,  wasabi ,  local ,  hubic ,  openstack ,  webdav ,  onedrive ,  backblaze-b2 ,  google-drive
36 36309 13 July 2025
Reinstall duplicacy web, how to restore jobs
Support
5 220 13 July 2025
Unable to get licensed Duplicacy Instance (with configuration) on Windows Startup (Install as a service)
Support
7 391 12 July 2025