.OFN file extension

This is the basic program to work with .OFN extension

Microsoft Office Professional

Microsoft Office Professional Other Office Documents...

Put more visual impact into your documents or presentations with easy-to-use photo-editing tools that let you crop, control brightness and contrast, sharpen or soften,and add artistic visual effects without leaving Microsoft® Word 2010, PowerPoint 2010 and Publisher 2010... (more)

The program works with the following extensions: mdb, adn, dqy, oqy, dot, adp, pot, rqy, obt, mad, slk, ofn, xla, obz, odc, mda, xlk, xll, mdz, mde, xlt, prf, mdn, dif, mdt, fav, hol, mdw, pdt, xnk, ibc, psw, ics, fwp, pwd, ppa, msg, pwi, vcf, pwt, pwz, vcs, mag, ade, csv, iqy, xltm, docm, docx, xltx, dotm, dotx, ppsx, pptm, pptx, xlam, accdt, accdu, accda, accdc, accde, accdr, dothtml, mdbhtml, xlshtml, xlthtml, wizhtml, pothtml, ppthtml, dochtml and spdesignjs

.OFN extension is also supported by the following programs:

Microsoft Office

Microsoft Office Other Office Documents...

Collection of programs for the preparation of documents, presentations, etc.
Microsoft Office 97, Standard Edition

Microsoft Office 97, Standard Edition Other Office Documents...