File Format Encyclopedia
A reference guide to the file formats you'll come across when working with documents. Each entry covers the format's full name, file extensions, MIME type, who developed it, what software opens it, and how it commonly converts.
Documents
ABW — AbiWord Document
.abw · application/x-abiword
DOC — Microsoft Word Document (legacy)
.doc · application/msword
DOCX — Microsoft Word Open XML Document
.docx · application/vnd.openxmlformats-officedocument.wordprocessingml.document
HTML — HyperText Markup Language
.html, .htm · text/html
Markdown — Markdown Plain Text
.md, .markdown · text/markdown
ODT — OpenDocument Text
.odt · application/vnd.oasis.opendocument.text
Pages — Apple Pages Document
.pages · application/x-iwork-pages-sffpages
PDF — Portable Document Format
.pdf · application/pdf
RTF — Rich Text Format
.rtf · application/rtf
TeX / LaTeX — LaTeX Source Document
.tex · application/x-tex
TXT — Plain Text File
.txt · text/plain
WPD — WordPerfect Document
.wpd · application/wordperfect
XML — Extensible Markup Language
.xml · application/xml
Spreadsheets
CSV — Comma-Separated Values
.csv · text/csv
Numbers — Apple Numbers Spreadsheet
.numbers · application/x-iwork-numbers-sffnumbers
ODS — OpenDocument Spreadsheet
.ods · application/vnd.oasis.opendocument.spreadsheet
TSV — Tab-Separated Values
.tsv, .tab · text/tab-separated-values
XLS — Microsoft Excel Binary Spreadsheet (legacy)
.xls · application/vnd.ms-excel
XLSX — Microsoft Excel Open XML Spreadsheet
.xlsx · application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Presentations
Keynote — Apple Keynote Presentation
.key · application/x-iwork-keynote-sffkey
ODP — OpenDocument Presentation
.odp · application/vnd.oasis.opendocument.presentation
PPT — Microsoft PowerPoint Presentation (legacy)
.ppt · application/vnd.ms-powerpoint
PPTX — Microsoft PowerPoint Open XML Presentation
.pptx · application/vnd.openxmlformats-officedocument.presentationml.presentation
Images
AI — Adobe Illustrator Artwork
.ai · application/postscript
AVIF — AV1 Image File Format
.avif · image/avif
BMP — Windows Bitmap
.bmp · image/bmp
EPS — Encapsulated PostScript
.eps · application/postscript
GIF — Graphics Interchange Format
.gif · image/gif
HEIC — High Efficiency Image Container
.heic, .heif · image/heic
ICO — Windows Icon
.ico · image/x-icon
JPG — JPEG image (Joint Photographic Experts Group)
.jpg, .jpeg · image/jpeg
PNG — Portable Network Graphics
.png · image/png
PSD — Adobe Photoshop Document
.psd · image/vnd.adobe.photoshop
RAW — Camera Raw Image
.raw, .cr2, .cr3, .nef, .arw, .dng · image/x-raw
SVG — Scalable Vector Graphics
.svg · image/svg+xml
TIFF — Tagged Image File Format
.tiff, .tif · image/tiff
WebP — Web Picture Format
.webp · image/webp
E-books
AZW3 — Amazon Kindle Format 8
.azw3, .kfx · application/vnd.amazon.mobi8-ebook
DjVu — DjVu Compressed Document
.djvu, .djv · image/vnd.djvu
EPUB — Electronic Publication
.epub · application/epub+zip
FB2 — FictionBook 2
.fb2 · application/x-fictionbook+xml
MOBI — Mobipocket E-book
.mobi · application/x-mobipocket-ebook
Archives
7Z — 7-Zip Archive
.7z · application/x-7z-compressed
GZ — Gzip Compressed File
.gz, .tgz · application/gzip
ISO — ISO Disc Image
.iso · application/x-iso9660-image
RAR — Roshal Archive
.rar · application/vnd.rar
TAR — Tape Archive
.tar · application/x-tar
ZIP — ZIP Archive
.zip · application/zip