# Ngfms manager files old files takes a lot of disk space

**URL:** <https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032>\
**Category:** FMS Data Manager\
**Created:** [December 26, 2025, 10:57am UTC](https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032 "2025-12-26T10:57:40Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![hectorp](https://avatars.discourse-cdn.com/v4/letter/h/e99b99/32.png) [@hectorp](https://forum.navigraph.com/u/hectorp)\
**Post date:** [December 26, 2025, 10:57am UTC](https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032/1 "2025-12-26T10:57:40Z")

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wich fms mgr files can be deleted?

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**Author:** ![Ian](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/ian/32/154_2.png) [@Ian](https://forum.navigraph.com/u/Ian)\
**Post date:** [December 27, 2025, 12:12am UTC](https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032/2 "2025-12-27T00:12:14Z")

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Hi…,

You likely have selected backup, hence your Backup folder may be large.

In FMS Data Manager _Settings_, under Backup, I suggest you select Automatic backup cleanup - keep 5 latest backups per addon:

 ![image](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/3X/2/d/2d54810a982690714222214fd5091195f24d420c.png)

Compliments of the Season

Ian

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**Author:** ![hectorp](https://avatars.discourse-cdn.com/v4/letter/h/e99b99/32.png) [@hectorp](https://forum.navigraph.com/u/hectorp)\
**Post date:** [December 28, 2025, 12:49pm UTC](https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032/3 "2025-12-28T12:49:28Z")

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Thanks for the info Ian.  
Just did it.  
Happy New Year and thanks for your help.  
Hector

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**Author:** ![system](https://europe1.discourse-cdn.com/flex013/uploads/navigraph1/original/1X/4cc83e90d70ab312b1bd2d7527bddad309607265.png) [@system](https://forum.navigraph.com/u/system)\
**Post date:** [December 30, 2025, 12:49pm UTC](https://forum.navigraph.com/t/ngfms-manager-files-old-files-takes-a-lot-of-disk-space/22032/4 "2025-12-30T12:49:59Z")

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