How can I view microsoft office, powerpoint, word etc on my ipad ? any app for that ?

Have a look at the following; my favorite is Quickoffice.

http://itunes.apple.com/sg/app/quickoffice-pro-hd-edit-office/id376212724?mt=8&l s=1

http://itunes.apple.com/sg/app/office2-hd/id364361728?mt=8&ls=1

http://itunes.apple.com/sg/app/documents-to-go-premium-office/id317107309?mt=8&l s=1

http://itunes.apple.com/sg/app/polaris-office/id513188658?mt=8&ls=1

It's all pref. Diavonex is right. I like apples number,pages, and keynote(excel,word,PowerPoint).

And I use DOcuments to Go and am very happy with it so...whatever works for you.

You don't need any special app to merely view Word, Excel, and PowerPoint documents. The Quick Look feature of iOS supports viewing those document formats and many more.

This is documented in the iPad User Guide:

You can open .ppt & pptx files with Documents Viewer. Also it gaves possibility to convert presentations to PDF and print them.

Now that Microsoft has released Word, Excel, and Powerpoint as iPad apps, those are the best way to view those documents.

Just go to the app store and download them.

They can let you view those documents on your iPad, and they'll look just like they do on a Mac or PC.

Note that only viewing of documents is free. If you want to edit those documents, or create new Office documents, you'll need to subscribe to Office 365.