Plan Readers

• Source View - for * .cal formats
• Volo View - for *.dwf formats (Autocad)
• Adobe Acrobat for *.pdf formats

Specification Readers

• Adobe Acrobat for *.pdf formats

There are other available readers/viewers that can be purchased. These include AutocadLT for *.dxf and *.dwg formats, MSword for specifications. Also, you might find IMSI's HiJACK to be useful for file conversion.