PNG ICO ICNS MORE
Desktop apps
Pixel
Splashyfish
document, marked, Letter
Silver
16x16
okay, document, Letter
Snow
Letter, document, share
remove, document, Letter
warning, document, Letter
Letter, document, upload
Mixed
3D
Flavour Extended
Key, Letter, K
WhiteSmoke
48x48
Led Icons
omega, Text, Letter
DarkOliveGreen
Computer & hardware
Smooth
Crystal Project
Letter, Font
Black
256x256
Font, File, Letter
Letter, upper, First
DarkSlateGray
Photography & graphic design
Dark Glass
A, Font, Letter
DarkGray
128x128
Futurosoft
Letter, black letter, Font
Letter
Gainsboro
type, adobe, Letter
Network & communications
Oxygen
UI
Function icons
mail, Letter, receive
Web Application Icons Set
envelope, open, Email
Khaki
DRF
envelope, Forward, Letter
32x32
Fugue Icons
envelope, Message, Letter
Lavender
Carpelinx
send, Letter, mail
64x64
Nuvola
Font, Letter
word, File, Letter