Attachment file formats that are supported

Adobe Acrobat

.pdf

ASCII text

.txt

Audio

.amr, .mp3, .wav, .wma

Corel WordPerfect 7 to 10

.wpd

HTML

.htm, .html

Images

.bmp, .gif, .jpeg, .jpg, .png, .ppm, .tif, .tiff, .wmf

Microsoft Excel 97 to 2003, 2007, 2010, and XP

.xls, .xlsx

Microsoft PowerPoint 97 to 2003, 2007, 2010, and XP

.pps, .ppsx, .ppt, .pptx

Microsoft Word 97 to 2003, 2007, 2010, and XP

.doc, .dot, .dotx, .docx

OpenOffice.org 1.1

.odp, .ods, .odt, .ott

RTF

.rtf

ZIP archives

.zip