The current list of acceptable file formats for Autodesk Community attachments includes:
3dp,3ds,ach,ai,art,anc,arp,ass,asx,avi,axm,bm,bmp,brd,cam,cfz,chm,cps,csv,dbf,dcl,doc,docx,dru,dst,dwf,dwfx,dwg,dws,dwt,dxf,dyf,dyn,eco,env,eps,esri,f3d,f3z,fbx,fm,gif,gz,gzip,iam,ics,ide,idw,iks,ipn,ipt,jfif,jpe,jpeg,jpg,lbr,lin,log,lsp,ma,mac,max,mb,mcr,mkv,mov,mp4,mpg,msg,mwv,nc,nc1,nwc,nwd,nwf,obj,obk,pat,pc3,pdf,pkt,png,png,ppt,pptx,prj,pro,psd,rar,rfa,rft,rlf,rtd,rte,rvt,sat,sch,sdf,sdf,sdf2,sdf3,shp,shx,simstudio,sldasm,slddrw,sldprt,sol,spf,step,stl,stm,stp,svf,svg,tap,text,tif,tiff,txt,ulp,vcf,vtf,vtfx,wmv,xls,xlsx,xml,xps,zip
If your file isn’t attaching – try using .zip, as it has the highest rate of success.
We are constantly updating the above and also encourage additional requests to help identify gaps.