EX3

Harvard Graphics device driver file
File type: Various data file
Files with ex3 extension are used for the Harvard Graphics ChartXL software. They contain device drivers.
What is ex3 file?
File type category:
Various data file
Date updated: July 3, 2017
The ex3 file extension is associated with presentation application developed by Harvard Graphics. The .ex3 file stores device driver. The Harvard Graphics company was acquired by the Serif Ltd. in 2001.
Associated software actions with the ex3 file
Software applications that handle other tasks involving ex3 files:
Harvard Graphics ChartXL (Microsoft Windows)