# Unexpected file format

**URL:** <https://forum.kirupa.com/t/unexpected-file-format/91385>\
**Category:** Uncategorized\
**Created:** [October 2, 2003, 6:00pm UTC](https://forum.kirupa.com/t/unexpected-file-format/91385 "2003-10-02T18:00:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ORNj](https://avatars.discourse-cdn.com/v4/letter/o/90ced4/32.png) [@ORNj](https://forum.kirupa.com/u/ORNj)\
**Post date:** [October 2, 2003, 6:00pm UTC](https://forum.kirupa.com/t/unexpected-file-format/91385/1 "2003-10-02T18:00:01Z")

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When I try to open a file that I made in regular flash mx, Flash MX 2004 tells me Unexpected file format.  
Why?