Diana, have a look here for a workaround
http://www.contextures.com/xlautofilter02.html

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Paul B
Always backup your data before trying something new
Please post any response to the newsgroups so others can benefit from it
Feedback on answers is always appreciated!
Using Excel 2002 & 2003
> In Excel, when using filters, only the first 1000 unique entries can be
> seen
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> Thank you,
> Diana
Diana - 22 Dec 2004 21:41 GMT
Thanks! That was very helpful :)
> Diana, have a look here for a workaround
> http://www.contextures.com/xlautofilter02.html
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> > Thank you,
> > Diana