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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 47111 16 February 2021
Failed pruning message
Support
4 33 17 January 2026
Duplicacy storage amount not matching actual storage amount
Support
0 43 14 January 2026
Dont buy this scam
Praise
41 14887 14 January 2026
Pushing backup status to Uptime Kuma?
Support
8 6737 14 January 2026
Error: The file list contains an error
Support
3 181 13 January 2026
Unable to view Logs of, or Restore from, my backups
Support
2 73 12 January 2026
Duplicacy Web Backblaze B2 backup causes thousands of DNS queries, resulting in rate-limiting and failures for Cloudflare.
Bug
0 81 10 January 2026
Cant restore- loading takes forever to see snapshtos dropdown, and errors out 400 bad request
Support
1 95 7 January 2026
Incomplete_files: The process cannot access the file because it is being used by another process
Support
backup
0 91 7 January 2026
Safe to copy from a storage while running backup up to that storage?
Support
copy ,  backup
2 83 5 January 2026
SFTP permission error on one chunk near end of backup
Support
11 374 3 January 2026
Duplicacy Web on Synology 725+?
Support
1 139 2 January 2026
ERROR DOWNLOAD_CHUNK Chunk can't be found
Support
2 118 29 December 2025
Mistakes in the wiki for "Back up to multiple storages"?
2 159 29 December 2025
Backing up Duplicacy web edition ID and configuration files
Support
3 187 28 December 2025
No Email about expired license, backups got aborted becuase of expired license and after updating the license i wont even get a full year of service?
Support
web-ui
1 227 22 December 2025
Requesting refund of Duplicacy license
Support
0 187 22 December 2025
Confusing documentation on initialization with encryption
Support
3 170 19 December 2025
Pruning of revisions retention command
Support
3 204 19 December 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
37 41863 16 December 2025
Not deleting from OneDrive
Support
prune
1 145 15 December 2025
Copy from a network (NAS) to an external HDD on W11
Support
3 188 12 December 2025
Duplicacy is asking for token file on every backup (OneDrive)
Support
backup
2 162 12 December 2025
I want to use my licence on diferente device
Support
1 202 8 December 2025
Cannot select a storage when creating new backup in unraid
Support
3 223 8 December 2025
Licensing: Migrating from Windows to Linux; Migrating email account from Outlook (Hotmail) to Proton
License
7 263 8 December 2025
Restore -persist should ignore errors from symlink creation
Bug
restore
3 1034 7 December 2025
Is it possible to sort Backup IDs in the WebGUI Backup tab?
UX
gui ,  web-ui
2 203 6 December 2025
Preventing Windows PC from sleeping while Duplicacy WebGUI backup process underway?
Support
5 832 5 December 2025