# Invalid File Format message when trying to restore backup

**URL:** <https://forum.manager.io/t/invalid-file-format-message-when-trying-to-restore-backup/14093>\
**Category:** Uncategorized\
**Created:** [January 30, 2018, 10:54pm UTC](https://forum.manager.io/t/invalid-file-format-message-when-trying-to-restore-backup/14093 "2018-01-30T22:54:49Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Brucanna](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.manager.io/brucanna/32/1960_2.png) [@Brucanna](https://forum.manager.io/u/Brucanna)\
**Post date:** [January 30, 2018, 11:02pm UTC](https://forum.manager.io/t/invalid-file-format-message-when-trying-to-restore-backup/14093/2 "2018-01-30T23:02:07Z")

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Have you read this topic, there is a suggested solution half way down.  
Important: keep a master copy of your cloud files unopened by any Manager version

> [@Invalid File Format](https://forum.manager.io/t/invalid-file-format/13855/):
>
> I have gone through and read some of the other topics that are labelled very similar but haven’t come across anything that can help me. Windows 10 creators update \*\*\*\* my computer so I made a backup of Manager and after reformatting etc I have gone and reinstalled [Manager.io](http://Manager.io) but when I go to import my backup it comes up with “Invalid File Format” I have gone into the preferences and checked that the date format is set the same way but it still doesn’t seem to be able to allow me to im…

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_[View the full topic](https://forum.manager.io/t/invalid-file-format-message-when-trying-to-restore-backup/14093)._