The file type .mobi is an eBook format created by a French eBook company called Mobipocket which created a free software application for multiple devices including PDAs, smartphones and tablet devices.
These free word processors can be a great alternative to Microsoft Word. Many have very similar characteristics to Word and since they're free, you'll be saving hundreds of dollars by using one of them. All of the free word processors below can create, edit, and print documents. Many of them can open and edit Word documents, automatically check your spelling, use a wide selection of free MS Word templates, create tables and columns, and much more. My top picks for a free word processor are at the top of the list.
If you do not have Microsoft Word or Excel (or software that can read these file formats) download and install the MS Word and Excel Viewers. These viewers will allow you to open, view, and print Word and Excel files. You will not be able to edit documents. Word Viewer: Allows opening and viewing Word 97/2000 documents. Excel Viewer: Allows opening and viewing Excel 97/2000 documents.