Ash Morgan, discusses the MS-PPT binary file format. The presentation covers text and image extraction, file format streams, records, structures, containers, and more.
MS-XLS Binary File Format Presentation is aimed at a developer level audience and was recorded at the Binary File Format Plugfest in October 2010.
MS-OGRAPH Binary File Format Presentation, Brent Gilbert, discusses the OfficeArt Binary File Format. He provides a brief history, high level overview, addresses important conecpts and structures, and ends with some ideas on application integration.
In PST SDK Presentation, Terry Mahaffey, discusses the PST SDK file format SDK.