По запросу: "file extension list" найдено 144 иконки.

the-modern-web/native-file-system Created with Sketch.
file-document Created with Sketch Beta.
tasks-outline-alerted
box_3_line
cogfig Created with Sketch.
ic_fluent_delete_48_filled Created with Sketch.
swap-vertical
dropbox
copy-file-solid
user-list Created with Sketch Beta.
ic_fluent_checkbox_unchecked_24_filled Created with Sketch.