Create An Expression in After Effects

How to create an expression in After Effects?

1. choose Animation > Add Expression,
2. OR Alt-click (Windows) or Option-click (Mac OS) the stopwatch button for the property.

File extension .svg (Scalable Vector Graphics )

Open Scalable Vector Graphics files with Adobe Illustrator. The primary file extension for Illustrator file is .AI. Other support file types include:-

.PCT .AIP .PCX .AIT .PDD
.ART .PDF .BMP .PIC .CGM
.PNG .CMX .PS .DCS .PSD
.DIB .PXR .DXF .RLE .EMF
.SVG .EPS .SVGZ .FXG .SWF
.GIF .TGA .J2C .TIF .JP2 .WMF.JPG