An _DOC file is saved in a file format that was developed by Microsoft for their MS Word program and Live Mail application. These _DOC files are classified as encrypted or encoded data files that may contain document data associated with the unencrypted versions of the DOC files. These _DOC files are normally created when users transmit .doc files through the MS Live Mail application, and recipients end up getting these _DOC files instead of the .doc versions of the MS Word documents.MS Word is a document processing program that's included in the MS Office suite of productivity tools and applications. Older versions of MS Word have support for DOC files, and some newer versions need add-ons so as to support DOC files.On the other hand, Live Mail is an email application from Microsoft. This tool implements encryption and encoding protocols when transmitting .doc files via the Internet.To open documents with the .doc extension, users must delete the underscore () from the file name of the document. Afterwards, MS Word that has support for DOC files can be used to open and edit the content of these documents.
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