Because it's capable of doing that. If you want to change it right-click on it and choose "Open with..." Then you can choose a program which you want to use to open wordpad files in the future.
Open Office will open Wordpad files without any difficulties. By default, Wordpad saves documents as 'rich text format' (.rtf) - you can specify different formats if you choose. OpenOffice will read rtf files without any problems.
Notepad is a very rudimentary one that comes with Windows. WordPad comes on recent versions of Windows, and has a little more functionality. Microsoft Word and OpenOffice Write are full featured word processors.
*.doc and *.docx files open Microsoft Word
Assuming you mean word-processing software : Microsoft Word, Ability Write, Word Perfect, Open Office Writer, Lotus Word-Pro, Microsoft Write, Microsoft Wordpad.
Assuming you mean word-processing software : Microsoft Word, Ability Write, Word Perfect, Open Office Writer, Lotus Word-Pro, Microsoft Write.
The problem you are having is not of conversion. Rather, it is of association. Saving a file as .doc in Wordpad is the same as saving it as .doc in MS Word. The problem is that your computer is set to open .doc files with MS Word rather than Wordpad. This is common, and I believe MS Word sets this association by itself when installed. Try right-clicking a .doc file and choosing the Open with... option. In the dialog that appears, choose Wordpad and tick the box that says "Always open with this application"
Yes - Microsoft Publisher can open Microsoft Word files without any problems.
It should be possible to open them using MicroSoft Word.
Gmail is a product of google so can sync with other products. It can open Microsoft Word files in it too. It can do it via Google Docs.
There is no such thing as a "Windows XP Word file." You open the files in Vista the exact same way you do in Windows XP - with Microsoft Word.
There are several programs that will do this: Microsoft Word and WordPad among others. I used the free Open Office, which is similar to Word: http://www.openoffice.org/ For questions on file types, I use FileInfo.com. Just enter the extension and they will list the programs that open: http://www.fileinfo.com/extension/rtf
Nothing. Downloading software does not affect currently existing software, but if "Open Office" automatically sets itself to open .doc (Microsoft Word) files, then the only way to open a file with Microsoft Word after that is either dragging and dropping the file onto the Microsoft Word icon or right-clicking on the file and selecting "open with > Microsoft Word"