How do you switch the format that wish to open a document file in on Windows 7?

have windows 7 in fact it i not opening an existing file that has been created while using the XP…plus it asked me to pick another 1..and i did..but cant recall what we tried to be able to open the idea as..in fact it i just showing numerous symbols and also slashes..rather then the words.why it’s doing this every time and easy methods to switch the idea to anything else just how will start office perform and just how can open the item with this (as possess downloaded this now)

or need to redowload the document file from dvd again as well as retry

every help loved.

Reinstall this method that designed the applet.If that is certainly part of MS Place of work, you in addition have the method of when using the Word/Excel/Powerpoint tv audiences or OpenOfficeorg.