You can log in to My Docs Online from your iPhone/iPad browser and view files types supported by iOS. These include:

  • Adobe PDF (.pdf)
  • Images (.jpg, .tiff, .gif)
  • Keynote presentations (.key)
  • Microsoft Excel spreadsheets (.xls, .xlsx)
  • Microsoft PowerPoint presentations (.ppt, .pptx)
  • Microsoft Word documents (.doc, .docx)
  • Movies (.mov, .mp4, .m4v)
  • Music (.mp3, .aiff, .m4a, .wav)
  • Numbers spreadsheets (.numbers)
  • Pages documents (.pages)
  • Text and rich-text files (.txt, .rtf, and more)
  • Web pages (.htm, .html)

Some file types (pdf for instance) will first need to be downloaded and then opened in an installed application that supports the file type, using “open in…”.