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15:17, 1 October 2006 Pro-Ext was an extension utility for [[Protext]], written by [[ChaRleyTroniC]] and sold by [[Sentinel Software]].
It enabled you to incorporate large headline fonts and clip art into Protext documents, which could then be printed out (in graphics mode) on a standard Epson-compatible printer. It was revised several times to v1.5.
The program was due to be replaced by the never-finished [[Fidelity]].