| csv | Comma-Separated Values | 0.28 | displayed text | 0.28 | 1972 |  |  | 
| json | Javascript Object Notation (JSON) | 0.28 | typed | 0.28 | 2001 | Douglas Crockford |  | 
| tsv | Tab-Separated Values | 0.28 | displayed text | 0.28 |  |  |  | 
| xlsx | Excel spreadsheets | 0.28 |  | 0.28 | 1987 | Microsoft | openpyxl | 
| zip | ZIP archive format | 0.28 |  | 0.28 | 1989 | PKWARE |  | 
| hdf5 | Hierarchical Data Format | 0.28 |  | 0.28 | 199x | NCSA | h5py | 
| sqlite | sqlite | 0.42 |  | 0.42 | 2000 | D. Richard Hipp |  | 
| xls | Excel spreadsheets | 0.42 |  | 0.42 | 1987 | Microsoft | xlrd | 
| fixed | fixed width text | 0.97 |  | 0.97 |  |  |  | 
| postgres | PostgreSQL database | 0.97 |  | 0.97 | 1996 |  |  | 
| vd | VisiData command log | 0.97 |  | 0.97 | 2017 | VisiData |  | 
| vds |  | VisiData Sheet | 2.2 | yes | 2021 | VisiData |  | 
| mbtiles | MapBox Tileset | 0.98 |  | 0.98 | 2011 | MapBox | mapbox-vector-tile | 
| pbf | Protocolbuffer Binary Format | 0.98 |  | 0.98 | 2011 | OpenStreetMap |  | 
| shp | Shapefile geographic data | 0.98 |  | 0.98 | 1993 | ESRI | pyshp | 
| html | HTML tables | 0.99 | displayed text | 0.99 | 1996 | Dave Raggett | lxml | 
| md | markdown table |  | displayed text | 1.1 | 2008 |  |  | 
| png | Portable Network Graphics (PNG) image | 1.1 | from png | 1.1 | 1996 | PNG Development Group | pypng | 
| ttf | TrueType Font | 1.1 |  | 1.1 | 1991 | Apple | fonttools | 
| dot | Graphviz diagram |  | from pcap | 1.2 | 1991 |  |  | 
| dta | Stata | 1.2 |  | 1.2 | 1985 | StataCorp | pandas | 
| geojson | Geographic JSON | 2.2 | yes (from shp and geojson) | 2008 |  | http://geojson.org/ |  | 
| sas7bdat | Statistical Analysis System (SAS) | 1.2 |  | 1.2 | 1976 | SAS Institute | sas7bdat | 
| sav | SPSS statistics | 1.2 |  | 1.2 | 1968 | SPSS Inc |  | 
| spss | SPSS statistics | 1.2 |  | 1.2 | 1968 | SPSS Inc | savReaderWriter | 
| xpt | Statistical Analysis System (SAS) | 1.2 |  | 1.2 | 1976 | SAS Institute | xport | 
| jsonl | JSON Lines | 1.3 | typed | 1.3 | 2013 | Ian Ward |  | 
| pandas | all formats supported by pandas library | 1.3 |  | 1.3 | 2008 | Wes McKinney | pandas | 
| pcap | network packet capture | 1.3 |  | 1.3 | 1988 | LBNL | dpkt dnslib | 
| pyprof | Python Profile data | 1.3 |  | 1.3 |  |  |  | 
| xml | eXtensible Markup Language (XML) | 1.3 | from xml | 1.3 | 1998 | W3C | lxml | 
| yaml | YAML Ain't Markup Language (YAML) | 1.3 |  | 1.3 | 2001 | Clark Evans | PyYAML | 
| frictionless | Frictionless Data | 2.0 |  | 2.0 |  | OpenKnowledge Institute | datapackage | 
| jira | JIRA/Confluence table markup |  | displayed text | 2.0 |  | Atlassian |  | 
| npy | NumPy array format | 2.0 | typed | 2.0 |  |  | numpy | 
| tar | Unix Tape Archive | 2.0 |  | 2.0 |  |  |  | 
| usv | Unicode-Separated Value | 2.0 | displayed text | 2.0 | 1993 | Unicode |  | 
| xlsb | Excel binary format | 2.0 |  | 2.0 |  | Microsoft | xlrd | 
| mysql | MySQL | 2.0 |  |  | 1995 | MySQL AB | https://github.com/mysql/mysql-server | 
| pdf | Portable Document Format | 2.0 |  |  | 1993 | Adobe | https://en.wikipedia.org/wiki/PDF | 
| vcf | Virtual Contact File (vCard) | 2.0 |  |  | 1995 | Versit Consortium | https://tools.ietf.org/html/rfc6350 | 
| rec | recutils database file | 2.0 | displayed text |  | 2010 | Jose E. Marchesi | https://www.gnu.org/software/recutils/ | 
| eml | Multipurpose Internet Mail Extensions (MIME) | 2.0 |  |  | 1996 | Nathaniel Borenstein and Ned Freed | https://tools.ietf.org/html/rfc2045 |