What is ppt?

The common PPT format is used for the PowerPoint Presentations created by the similarly named PowerPoint software by the Microsoft Corporation. This format is used by the older versions of PowerPoint and has been updated by the PPTX extension. Mime type: application/vnd.ms-powerpoint [official], application/mspowerpoint, application/ms-powerpoint, application/mspowerpnt, application/vnd-mspowerpoint application/powerpoint, application/x-powerpoint, application/x-m

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What is wk2?

The WK2 file format is primarily associated with ‘Lotus 1-2-3’ which is a spreadsheet program developed by Lotus ( now part of IBM ). It was an application with huge popularity in the mid-1980’s which was also due to the success of the IBM pc in the business environment. The WKS file format can also be opened, converted ( save as ) and edited by Microsoft Excel. Mime type: application/vnd.lotus-1-2-3, application/lotus123, application/x-lotus123, application/wk2, application/x-lotus123, application/x-wk2 Similar formats: WK1, WK3, WKS  

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