Convert DOC (Word) to DOCX (Word)

The DOC file extension, standing for "Microsoft Word Document", is a legacy format used by Microsoft Word. Introduced in the early 1980s with Microsoft Word for MS-DOS, it became the standard format for saving documents until the adoption of the DOCX format with Microsoft Word 2007. DOC files encapsulate text, formatting, images, and other document elements, and were pivotal in advancing word processing capabilities, offering extensive features for creating professional and complex documents in both personal and professional contexts. Despite the shift to DOCX, DOC files remain significant for their compatibility with older software versions and extensive archival of legacy documents.

The DOCX file extension stands for "Document Open XML", a Microsoft Word Document format introduced in Office 2007. It uses XML and ZIP compression technology to create smaller, more efficient files compared to the older DOC format. DOCX files are widely used for creating, editing, and sharing professional documents, ensuring compatibility across various platforms and devices. This format supports advanced features such as macros, formatting options, and multimedia elements, making it essential for modern document processing in the IT and business sectors. Its history reflects Microsoft's ongoing efforts to enhance document interoperability and efficiency.