Which one is best Microsoft office 10 or Microsoft office 7?

When it come to interface then there is no big difference in Office2007 and Office2010. But there is some additonal things in Office2010 which makes it different from2007. For details visit:

http://shaunakelly.com/word/management/7-reasons-to-upgrade-from-microsoft-word-2007-to-word-2010.html

 But overall2010 is better than2007, the list of saving options is very long, foramtting options are impressive. 

both are the same but 10 is faster 

Good day, your question isnt very specific but let me break it down for you. Microsoft Office does not have Microsoft Office 7 instead it is called microsoft office 2007. So I am assuming then you are actually asking about the Windows 10 and Windows 7 which are the operating systems for your pc or laptop.

Windows 7 is very stable and I have never had any problems with it for the pass 8 years that I have used it. Two years back I started using Windows 10 which was totally different to Windows 7. It is as stable as Windows 7 but Windows 10 looks much better. Just make sure when you use Windows 10 that you change your privacy settings. It tends to allow any application on it to make use of the camera if you are using a laptop.

If you were refering to Microsoft Office however then I would suggest you go with Microsoft office 2010 since it has more options and its best to keep up with the latest Microsoft Office since they update it to make your life easier. 

Microsoft Office 10 is best one

Microsoft office 7 is the best