Ok, I have a fairly large collection of docx and odt files. Minutes from meetings etc. Now I want to convert them to PDFs for distribution. and also into one combined pdf. At the momement I'm using ...
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?