File Formats Supported by UIWebView

Question

What are all the file formats supported by UIWebView? In my testing, I found that it supports XLS, DOC, PPT, PDF but not XLSX, and DOCX, RTF.

It supports image files

Answer 1

A Technical note is available on Apple Website about file formats supported by UIWebView:

Since iPhone OS 2.2.1

• Excel (.xls)
• Keynote (.key.zip)
• Numbers (.numbers.zip)
• Pages (.pages.zip)
• PDF (.pdf)
• Powerpoint (.ppt)
• Word (.doc)

Since iPhone OS 3.0

• Rich Text Format (.rtf)
• Rich Text Format Directory (.rtfd.zip)
• Keynote '09 (.key)
• Numbers '09 (.numbers)
• Pages '09 (.pages)