PNG SVG PSD EPS MORE
Interface
Flat
Emotions Rounded
interface, Emoticons Square, open
Black
512x512
Face, square, Emoticon
open, One, tooth
mouth, surprised, Emoticon
Pointed Icons
open, Tools And Utensils, interface
open, Container, interface
Message, Letter, envelope
Photography 2
symbol, interface, view
Business Pack
Folders, interface, opened
Data icons
symbols, opened, Message
Essentials
symbols, open, Black
symbols, Folder, opened
mail, Envelope Silhouette, envelope
Simpleicon Communication
interface, envelope, mails
Simpleicon Interface
opened, shape, interface
open, symbols, interface
interface, Email, mails
interface, opened, tool
Hand Drawn
opened, Unlocked, hand drawn
Finances and Trade
opened, pack, Finance And Business
Basic Application
opened, scissors, open
Humanitarian Icons 2
Email, open, Communication
Icomoon Free 1
right arrow, Exit, interface
iOS7 Premium 2
interface, open, Arrow