# Unexpected file format

**URL:** <https://forum.kirupa.com/t/unexpected-file-format/31843>\
**Category:** Uncategorized\
**Created:** [September 28, 2003, 5:20am UTC](https://forum.kirupa.com/t/unexpected-file-format/31843 "2003-09-28T05:20:55Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![The\_Vulcan](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/the_vulcan/32/145_2.png) [@The\_Vulcan](https://forum.kirupa.com/u/The_Vulcan)\
**Post date:** [September 28, 2003, 5:20am UTC](https://forum.kirupa.com/t/unexpected-file-format/31843/1 "2003-09-28T05:20:55Z")

</div>

When using MX 2004 to open this tutorial I got an unexpected file format… hence it wouldn’t open…

[http://www.kirupa.com/developer/mx/dropdownmenu.htm](http://www.kirupa.com/developer/mx/dropdownmenu.htm)