Attachment #22530
This is the input to my testcase. It has the excel formula already in it application/vnd.ms-excel 2008-09-05 15:48:59 UTC 13.50 KB no flags Details

Attachment cannot be viewed because its MIME type is not text/*, image/*, or application/vnd.mozilla.*. Download the attachment instead.

Attachment #22531
This is the output from my test case. POI has written in it's version of the formula application/vnd.ms-excel 2008-09-05 15:49:20 UTC 13.00 KB no flags Details

Attachment cannot be viewed because its MIME type is not text/*, image/*, or application/vnd.mozilla.*. Download the attachment instead.

Attachment #22532
This is the POI code that writes in the formula to C1 text/x-java 2008-09-05 15:50:42 UTC 781 bytes no flags Details