RE: Word
Hi Driss,
Thank you for your question and welcome to the forum.
Have you tried opening an older file from within 2010? If so did it display an error message of any sort?
If you have a Word file that has been created either in 2003 or earlier, you can open the old file from within Word 2010 as normal.
However, if you want to use the full features of 2010 you have to convert the file to 2010 version(.docx).
I hope this helps.
Regards
Simon