Page Layout Files Extensions - What are pagelayout files and how do I open a pagelayout file?

What are pagelayout files and how do I open a pagelayout file?

File Type Category File Format
.book Page Layout Files FrameMaker Book File
.bpf Page Layout Files Baan ERP Document
.btw Page Layout Files BarTender Label
.cdf Page Layout Files Computable Document Format File
.comicdoc Page Layout Files Comic Life Document
.cov Page Layout Files Fax Cover Page File
.csd Page Layout Files Compact Shared Document
.dot Page Layout Files Word Document Template
.fd2 Page Layout Files PictureMate Borders File
.fm Page Layout Files FrameMaker Document
.indd Page Layout Files Adobe InDesign Document
.indt Page Layout Files Adobe InDesign Template
.inx Page Layout Files Adobe InDesign Interchange File
.lab Page Layout Files WordPerfect Label Definition File
.mdi Page Layout Files Microsoft Document Imaging File
.oxps Page Layout Files OpenXPS File
.pct Page Layout Files Picture File
.pdf Page Layout Files Portable Document Format File
.pdh Page Layout Files ProntoDoc for Word Browser Display Document Template
.pmd Page Layout Files PageMaker Document
.prn Page Layout Files Printable File
.pub Page Layout Files Publisher Document
.vp Page Layout Files Ventura Publication File
.xdw Page Layout Files Fuji Xerox DocuWorks File
.xif Page Layout Files ScanSoft Pagis File
.xps Page Layout Files XML Paper Specification File