TGA files have historically been used for content that is meant to be used in other applications (for example, image sprites for animated games) and is read and written by many popular graphic arts applications. It supports multiple bit depths including 32 bit with alpha (transparency) support.
To export a .tga file, ensure that a map or layout view is active. On the Share tab, click Export Map 
or Export Layout 
, depending on the active view, to open the Export pane. Change the File Type parameter to TGA. Set a name and location for the file, as well as any other properties, and click Export.
Note:
Certain options are only available when exporting a map or layout. When exporting a map, you can set the size of the map export. When exporting a layout, you can clip to graphics extent.
The following properties are available when exporting to a .tga file:
| Property | Description |
|---|---|
Transparent background | Export a layout with a transparent page instead of a white page. Transparent backgrounds are only supported when Color depth is set to 32-bit with Alpha. This option is not available for maps, but transparency on a map is honored on export. |
Show selection symbology | Show selected features in the map or map frame as selected in the output file. Unchecking this option does not affect selection within the view, only in the output file. |
DPI | The resolution of the export file in dots per inch (dpi). DPI is only available when exporting a layout. When exporting a map, the dpi is calculated automatically. For map exports, increase the Width and Height values to add more pixels and get a higher-resolution output. |
Color depth | The number of bits to describe color in a pixel. Choose from the following:
|