DOC is the legacy binary document format used by Microsoft Word 97-2003. While widely supported, it lacks some modern features found in DOCX.
DOCX is the modern XML-based document format used by Microsoft Word. It supports rich formatting, images, tables, and advanced document features.
Reach for DOC when your priority is legacy documents, older systems — its efficient compression makes sharing fast and storage minimal.
Reach for DOCX when your priority is office documents, reports, letters — its efficient compression makes sharing fast and storage minimal.
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.doc,.DOC (max 100MB)
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DOC (DOC documents) - Word 97-2003 legacy document format. Best for legacy documents, older systems.
DOCX (DOCX documents) - Microsoft Word's modern document format with rich formatting. Ideal for office documents, reports, letters.
Yes, GoConvertFile offers free conversion of DOC to DOCX for files up to 100MB. No registration required.
Most DOC to DOCX conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
DOCX is ideal for office documents, reports, letters. Microsoft Word's modern document format with rich formatting
File size after DOC to DOCX conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.
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