Attachment Filtering file types
The Content Control module offered by Security for Exchange can filter email attachments based on the file type. The types available in Control Center include the following file extensions:
Executable files
386; acm; ax; com; cpl; dll; drv; exe; flt; fon; lrc; ocx; scr; sys; vxd; x32
Images
bmp; cal; dcx; drw; ds4; eps; gif; gx2; ico; img; jfif; jpe; jpeg; jpg; pat; pcx; pgm; png; psd; psp; rgb; sdr; sh3; shw; sym; tif; tiff; wpg
Multimedia
3g2; 3gg; asf; au; avi; mid; mmf; mov; mp3; mpeg; mpg; ogg; qt; ra; ram; rm; swf; wav; wpl
Archives
7z; ain; arc; arj; bz; bz2; cab; cpio; cru; crush; gz; hap; img; jar; lha; lzh; pak; ppz; rar; rpm; sit; snp; tar; tar.z; tb2; tbz2; tgz; ufa; z; zip; zoo
Spreadsheets
fm3; ods; wk1; wk3; wks; xls; xlsx
Presentations
odp; pps; ppt; pptx
Documents
doc; docx; dtd; htm; html; odt; pcx; pdf; qxd; rtf; wks; wpf; ws; ws2; xml