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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 46978 16 February 2021
Duplicacy Web Backblaze B2 backup causes thousands of DNS queries, resulting in rate-limiting and failures for Cloudflare.
Bug
0 2 10 January 2026
Error: The file list contains an error
Support
2 122 9 January 2026
Cant restore- loading takes forever to see snapshtos dropdown, and errors out 400 bad request
Support
1 44 7 January 2026
Incomplete_files: The process cannot access the file because it is being used by another process
Support
backup
0 40 7 January 2026
Safe to copy from a storage while running backup up to that storage?
Support
copy ,  backup
1 39 5 January 2026
SFTP permission error on one chunk near end of backup
Support
11 307 3 January 2026
Duplicacy Web on Synology 725+?
Support
1 94 2 January 2026
ERROR DOWNLOAD_CHUNK Chunk can't be found
Support
2 82 29 December 2025
Mistakes in the wiki for "Back up to multiple storages"?
2 89 29 December 2025
Backing up Duplicacy web edition ID and configuration files
Support
3 138 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
1 183 22 December 2025
Requesting refund of Duplicacy license
Support
0 143 22 December 2025
Confusing documentation on initialization with encryption
Support
3 124 19 December 2025
Pruning of revisions retention command
Support
3 165 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 41620 16 December 2025
Not deleting from OneDrive
Support
prune
1 117 15 December 2025
Copy from a network (NAS) to an external HDD on W11
Support
3 143 12 December 2025
Duplicacy is asking for token file on every backup (OneDrive)
Support
backup
2 135 12 December 2025
I want to use my licence on diferente device
Support
1 176 8 December 2025
Cannot select a storage when creating new backup in unraid
Support
3 195 8 December 2025
Licensing: Migrating from Windows to Linux; Migrating email account from Outlook (Hotmail) to Proton
License
7 219 8 December 2025
Restore -persist should ignore errors from symlink creation
Bug
restore
3 1014 7 December 2025
Is it possible to sort Backup IDs in the WebGUI Backup tab?
UX
gui ,  web-ui
2 175 6 December 2025
Preventing Windows PC from sleeping while Duplicacy WebGUI backup process underway?
Support
5 802 5 December 2025
New Healthchecks.io Feature - Filter HTTP Pings by Keywords
Support
monitoring ,  scripting
0 161 5 December 2025
Outdated version (1.4.2) of Duplicacy in QNAP AppCenter
Support
web-ui
5 1152 4 December 2025
License trial reset
Support
1 170 2 December 2025
Cannot use Google Drive as storage
Support
backup
10 544 2 December 2025
Internxt Webdav - Create webdav_password
Support
1 360 2 December 2025