What is pptm?

PPTM is basically a PPT file with macros. The PPTM format is used by the PowerPoint software by the Microsoft Corporation and is a new format for Microsoft Office documents. It makes use of both XML architectures and ZIP compression and remains open source and can be opened by older versions of Office. Mime type: application/vnd.ms-powerpoint.presentation.macroEnabled.12

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What is mml?

The Marathon Markup Language (MML) file is a Aleph One document file, created by Marathon Open Source. Alpeh One is a descendant of the 3D shooting game “Marathon 2”. Mime type: text/plain

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Surprisingly exhaustive FreePDFconvert is an online PDF converter. Their service has been around since 2005 and has helped people convert over 325 million documents. It is easy to use, reliable and fast. Do not be fooled by its name, it converts...

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