PNG ICO ICNS MORE
Flat icons
Lock, open, Curriculum
Lavender
256x256
Nuvola
mail, Letter, Email
48x48
Folder, open, violet
128x128
Large Icons For
Sh, Letter, envelop
Jini Icon Theme
Message, Email, mail
Silk
open, envelop, picture
16x16
Message, Letter, mail
The Folder Collection
Folder, open
32x32
Fugue
mail, music, Message
open, playlist, document
File, Letter, Text
Email, Letter, envelop
open, Jar
table, open, mail
File, paper, Letter
PNG ICO MORE
Ginux
opened, open, Folder
64x64
Pleasant
open, Folder
PNG ICO ICNS SVG MORE
Mixed
Flat
Flat Design Icons (Set 2)
hello, open, Hand
512x512
Network & communications
Smooth
Chatting
Email, open, Letter
PNG MORE
Computer & hardware
Crystal Project
shape, pour, Lc
24x24
Lc, curve, Circle
Desktop apps
Farm-fresh
Layer, open
UI
Pixel
Fugue Icons
Book, open, image