Helper Apps and Files

These are some of the typical file types and the
corresponding helper apps and file extensions

Program File type File Extension
Microsoft Word rtf files rtf
Microsoft Excel Spreadsheets xls
Tab delimited files tab
Adobe Acrobat Reader pdf files pdf
GhostScript or
MacGhostScript postscript files ps

Program	File type	File Extension
Microsoft Word	rtf files	rtf
Microsoft Excel	Spreadsheets	xls
Microsoft Excel	Tab delimited files	tab
Adobe Acrobat Reader	pdf files	pdf
GhostScript or MacGhostScript	postscript files	ps