Description
The DOC file extension is associated with documents created in the Microsoft Word text processor. It's the default format that was used in Microsoft Office 97-2003, while newer versions of MS Word (2007+) offer users DOCX.
Technical details
The DOC format can store a lot of different data, including text formatting, alignment, indents, lists, paragraphs, etc. Files like this aren’t limited to text but can also include all kinds of images, tables, scripts, and even charts.