The short answer is 'No'. There is no need to download compatibility pack for 2007 office system if you are running MS office 2007. Compatibility pack is required; if you want to run higher version MS office program on lower version MS Office program.For Example:Want to run MS Office 2007 program on MS Office 2003: Compatibility Pack is Required.Want to run MS Office 2003 Program on MS Office 2007: NO compatibility pack required.
MS word & MS excel are just two of the suite of Office 2007 applicatons.
All above are known for MS Office tools like MS Word, MS Excel, MS PowerPoint, MS Outlook and many more.
The major difference is file format. MS office 2007 uses xml file format ie docx, xlsx, pptx, etc.
we don't do that because it impossible
Yes, MS Office 2010 is accessible in MS Office 2007 because both of these programs use xml file formats.
No Microsoft Office 2007 does not include Ms Project
MS word & MS excel are just two of the suite of Office 2007 applicatons.
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It is a spreadsheet application included with MS Office 2007.
No. The ribbon is available in all MS Office 2007 applications.
Earlier it was not possible but now Microsoft has released a update to open 2007 files using office 2003. More on this at http://new-digital-world.blogspot.com/2008/03/office-2007-files-to-office-2003.html