Files can be attached to posts just as they would with e-mails, but limited to a 10 MB file size. Here’s a list of all the file types that Power Post supports:
Images: .gif, .jpg, .jpeg, .png, .bmp, .ico, .tiff, .tif
Web: .html, .htm, .js, .css, .txt, .swf, .fla, .zip
Media: .mp3, .mov, .mpeg, .mpg, .avi, .wav, .ram, .mp4, .m4v, .wmv
Documents: .pdf, .doc, .docx, .xls, .xlsx, .ppt, .pages, .numbers
