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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 47053 16 February 2021
Dont buy this scam
Praise
41 14737 14 January 2026
Pushing backup status to Uptime Kuma?
Support
8 6678 14 January 2026
Error: The file list contains an error
Support
3 162 13 January 2026
Unable to view Logs of, or Restore from, my backups
Support
2 52 12 January 2026
Duplicacy Web Backblaze B2 backup causes thousands of DNS queries, resulting in rate-limiting and failures for Cloudflare.
Bug
0 64 10 January 2026
Cant restore- loading takes forever to see snapshtos dropdown, and errors out 400 bad request
Support
1 76 7 January 2026
Incomplete_files: The process cannot access the file because it is being used by another process
Support
backup
0 72 7 January 2026
Safe to copy from a storage while running backup up to that storage?
Support
copy ,  backup
1 66 5 January 2026
SFTP permission error on one chunk near end of backup
Support
11 338 3 January 2026
Duplicacy Web on Synology 725+?
Support
1 125 2 January 2026
ERROR DOWNLOAD_CHUNK Chunk can't be found
Support
2 103 29 December 2025
Mistakes in the wiki for "Back up to multiple storages"?
2 135 29 December 2025
Backing up Duplicacy web edition ID and configuration files
Support
3 168 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
1 204 22 December 2025
Requesting refund of Duplicacy license
Support
0 168 22 December 2025
Confusing documentation on initialization with encryption
Support
3 147 19 December 2025
Pruning of revisions retention command
Support
3 186 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 41728 16 December 2025
Not deleting from OneDrive
Support
prune
1 127 15 December 2025
Copy from a network (NAS) to an external HDD on W11
Support
3 167 12 December 2025
Duplicacy is asking for token file on every backup (OneDrive)
Support
backup
2 148 12 December 2025
I want to use my licence on diferente device
Support
1 187 8 December 2025
Cannot select a storage when creating new backup in unraid
Support
3 209 8 December 2025
Licensing: Migrating from Windows to Linux; Migrating email account from Outlook (Hotmail) to Proton
License
7 240 8 December 2025
Restore -persist should ignore errors from symlink creation
Bug
restore
3 1022 7 December 2025
Is it possible to sort Backup IDs in the WebGUI Backup tab?
UX
gui ,  web-ui
2 188 6 December 2025
Preventing Windows PC from sleeping while Duplicacy WebGUI backup process underway?
Support
5 814 5 December 2025
New Healthchecks.io Feature - Filter HTTP Pings by Keywords
Support
monitoring ,  scripting
0 170 5 December 2025
Outdated version (1.4.2) of Duplicacy in QNAP AppCenter
Support
web-ui
5 1168 4 December 2025