1
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1answer
59 views

What are the default programs to open docx, PDF and ZIP files on OS X?

I'm writing an article about DOCX, PDF and ZIP extensions. But first, I need to know the programs which are used to open these extension as default (without any third-party applications). I don't ...
2
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5answers
2k views

What does the 'X' in .aspx, docx, xlsx, etc… represent? [duplicate]

Possible Duplicate: What does X denotes in ASPX, DOCX, XLSX, PPTX etc? It's one of those things you just take for granted until one day someone asks you and you realize you can't answer it. ...
6
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4answers
1k views

What does X denotes in ASPX, DOCX, XLSX, PPTX etc?

Previously there were ASP, DOC, XLS, PPT etc and now ASPX, DOCX, XLSX, PPTX respectively. What does X denotes in ASPX, DOCX, XLSX, PPTX etc?