# Unexpected file format?

**URL:** <https://forum.kirupa.com/t/unexpected-file-format/54911>\
**Category:** Uncategorized\
**Created:** [June 18, 2004, 7:10pm UTC](https://forum.kirupa.com/t/unexpected-file-format/54911 "2004-06-18T19:10:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sandman9](https://avatars.discourse-cdn.com/v4/letter/s/6a8cbe/32.png) [@Sandman9](https://forum.kirupa.com/u/Sandman9)\
**Post date:** [June 18, 2004, 7:10pm UTC](https://forum.kirupa.com/t/unexpected-file-format/54911/1 "2004-06-18T19:10:09Z")

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hello

i’m on a mac using MX 2004. I saved my fla’s in mx 2004 and MX and sent them to a friend. He can’t open either … i think he’s on a PC with MX 2004. It says “unexpected file format”?

anyone had this problem too?

Sandman9