<P> The following is a list of Microsoft Office filename extensions, used in Microsoft Office software suite as of January 2017 . </P> <Dl> <Dt> Legacy </Dt> <Dd> Legacy filename extensions denote binary Microsoft Word formats that became outdated with the release of Microsoft Office 2007 . Although the latest version of Microsoft Word can still open them, they are no longer developed . Legacy filename extensions include: </Dd> </Dl> <Dd> Legacy filename extensions denote binary Microsoft Word formats that became outdated with the release of Microsoft Office 2007 . Although the latest version of Microsoft Word can still open them, they are no longer developed . Legacy filename extensions include: </Dd> <Ul> <Li>. doc--Legacy Word document; Microsoft Office refers to them as "Microsoft Word 97 - 2003 Document" </Li> <Li>. dot--Legacy Word templates; officially designated "Microsoft Word 97 - 2003 Template" </Li> <Li>. wbk - Legacy Word document backup; referred as "Microsoft Word Backup Document" </Li> </Ul>

What is the file extension for ms power point