# \#duply

**URL:** https://forums.interworx.com/tag/duply/294.md

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## [Custom backup engine?](https://forums.interworx.com/t/custom-backup-engine/13347)

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**Author:** [@vrnagy](https://forums.interworx.com/u/vrnagy)\
**Replies:** 3\
**Last updated:** [September 4, 2013, 11:29am UTC](https://forums.interworx.com/t/custom-backup-engine/13347 "2013-09-04T11:29:26Z")

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Hi, Can I write a custom backup engine for InterWorx? Personally i really like duply (based on ftplicity) to my backups, because of the incremental mode and the encryption. There is any documentation about how to write …