The DOC extension is used by the Word Word document processor most commonly used in Windows for document files. The DOC format is the standard format of Microsoft Word versions 97 through up Version 2003. As of version 2007 Microsoft introduced the new format DOCX.
In addition to the normal text, a DOC file also contains formatting instructions, formulas, tables, images and possibly also macros. These macros may contain malicious code, which is why you should always do a virus scan before you run them
should install the latest security updates for the Microsoft Office suite.
The Doc format has reached a fairly high popularity, which is why it can be read and created by other office programs for several years. Unfortunately, backward compatibility is not always 100% guaranteed.
Most often resolving problems with opening DOC files is very simple. Just install an appropriate program that supports such files. All of the listed programs support DOC files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of DOC files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate DOC files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Microsoft Word applications is not on the list, select "Browse" option in order to manually locate the directory where Microsoft Word has been installed.
Sometimes problems with opening DOC files may not lie with the application itself, but can arise due to other causes, such as: