# Unexpected File Format after saving and reopening a .skp file

**URL:** <https://forums.sketchup.com/t/unexpected-file-format-after-saving-and-reopening-a-skp-file/138160>\
**Category:** Pro\
**Tags:** unexpectedfileformat\
**Created:** [October 6, 2020, 4:40pm UTC](https://forums.sketchup.com/t/unexpected-file-format-after-saving-and-reopening-a-skp-file/138160 "2020-10-06T16:40:27Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![colin](https://sea2.discourse-cdn.com/sketchup/user_avatar/forums.sketchup.com/colin/32/70101_2.png) [@colin](https://forums.sketchup.com/u/colin)\
**Post date:** [May 1, 2021, 7:38pm UTC](https://forums.sketchup.com/t/unexpected-file-format-after-saving-and-reopening-a-skp-file/138160/14 "2021-05-01T19:38:44Z")

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See my reply here:

> [@"Unexpected file format"](https://forums.sketchup.com/t/unexpected-file-format/145185/7):
>

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