File extension Allowed for upload Preview Available Notes ai x x png x gif x x jpg x jpeg x txt x x rtf x x pdf x x doc x x docx x x only guaranteed with documents created in Microsoft Office odt x x xls x x xlsx x x only guaranteed with documents created in Microsoft Office ods x ppt x x pptx x x only guaranteed with documents created in Microsoft Office pps x ppsx x odp x x odg x x csv x x cdr x eps x x tif x tiff x x psd x rar x zip x yml x x css x x json x x xml x x ico x bmp x x apk x jar x html x x svg x x