По запросу: "extension file format specification" найдено 144 иконки.

ic_fluent_folder_junk_48_regular Created with Sketch.
video-file-filled
i
file_doc [#1723] Created with Sketch.
transfer-upload image/svg+xml transfer-upload
copy-file
ic_fluent_upload_24_regular Created with Sketch.
file_star_fill
file_url [#1734] Created with Sketch.
1157
triangle-right-down image/svg+xml triangle-right-down
image/svg+xml