Format comparison
DOC vs CSV
How do DOC and CSVcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.doc
Full guide →Microsoft Word Document (Legacy)
DOC is the legacy binary format used by Microsoft Word before 2007. While still widely encountered, it has been superseded by DOCX. Many older documents and templates still use this format.
.csv
Full guide →Comma-Separated Values
CSV is the simplest tabular data format — rows of values separated by commas. It's the universal exchange format for data between databases, spreadsheets, and programming languages.
| Specification | DOC | CSV |
|---|---|---|
| Full name | Microsoft Word Document (Legacy) | Comma-Separated Values |
| Extension | .doc | .csv |
| MIME type | application/msword | text/csv |
| Category | Document | Document |
| Developer | Microsoft | IBM (original concept) |
| Year introduced | 1983 | 1972 |
DOC advantages
- Universal recognition
- Compatible with older Word versions
- Still supported by all major office suites
- Extensive installed base of existing documents
DOC limitations
- Larger file sizes than DOCX
- Binary format — harder to recover if corrupted
- Limited to older feature set
- Being phased out in favor of DOCX
CSV advantages
- Universal data exchange format
- Human-readable plain text
- Tiny file sizes
- Supported by every data tool
CSV limitations
- No formatting or styling
- No data types — everything is text
- Encoding and delimiter issues common
- No support for multiple sheets or formulas
Which should you use?
DOC and CSV serve different purposes. DOC is ideal for opening legacy documents, while CSV excels at data import and export.
Best uses for DOC
Opening legacy documents
Compatibility with older systems
Template archives
Government and institutional legacy files
Best uses for CSV
Data import and export
Database migrations
API data exchange
Data science and analysis pipelines
Convert between DOC and CSV
Need to switch formats? Convert for free with SquishConvert.