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Desktop apps
Smooth
Icons Mega Pack 1 and 2
outlook
Khaki
256x256
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Flat
Simply 8-bits #8
DarkCyan
96x96
Glyph
Simple Icons
Black
4096x4096
Appicns
outlook, appicns
513x513
Circular icon set
3D
Flurry for Office
outlook, Ms
Goldenrod
512x512
Ms, outlook
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Brands & applications
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Handdrawn
Down to Earth
office, outlook
office, square, outlook
office, outlook, square
128x128
outlook, office
Metro UI Dock
Mirror, outlook
640x640
170 dock icons
DarkGoldenrod
Cartoon
Puck icons pack II
microsoft, outlook, office
300x300
3D Cartoon Icons Pack
Gold
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Ginux
WhiteSmoke
64x64
Orb icons
microsoft, outlook