Currently, the easiest way to view your Office documents on your iPhone is to convert them to PDF in your computer and email them to yourself. You can then open the PDF attachments on your iPhone and view them trouble free.
BCL Technologies introduces a one-step method to take your Office documents on your iPhone. Simply email your document(s) to iPhone@PDFonline.com and presto, the file will be sent back to your email as a PDF attachment which you can then open in iPhone.
Click here for the list of the supported document formats
