Question

please give me a suitable site to learn easily MS office.

Answer 1

ttp://office.microsoft.com/en-us/training/default.aspx

Answer 2

Here are some free tutorials, the first one is from Microsoft. In fact, you can get a whole lot of choices by Googling "Microsoft Office Tutorials".
http://office.microsoft.com/en-us/training/default.aspx
http://www.officetutorials.com/