# Sync a subfolder of an already synced folder

**URL:** https://forum.syncthing.net/t/sync-a-subfolder-of-an-already-synced-folder/16164
**Category:** Support
**Created:** [January 9, 2021, 11:14pm UTC](https://forum.syncthing.net/t/sync-a-subfolder-of-an-already-synced-folder/16164 "2021-01-09T23:14:13Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![Alex](https://forum.syncthing.net/letter_avatar_proxy/v4/letter/a/db5fbb/32.png) [@Alex](https://forum.syncthing.net/u/Alex)
#### Post date: [January 10, 2021, 10:31am UTC](https://forum.syncthing.net/t/sync-a-subfolder-of-an-already-synced-folder/16164/3 "2021-01-10T10:31:45Z")

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I don’t know what happens if one computer tries to sync the same file in `~/mainpath/subpath1` using setup 2, e.g. computer B downloads the same file from C and A simultaneously using two syncthing folders. Maybe it does not cause any problems but I would not trust it and use setup 1 to be sure.

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