📄 Text & Document Files

Plain text: .txt, .log, .md, .csv, .tsv

Rich text: .rtf, .doc, .docx, .odt

PDF & PostScript: .pdf, .ps, .eps

Markup: .html, .htm, .xml, .xhtml

LaTeX: .tex

🖼️ Image Files

Raster: .jpg, .jpeg, .png, .gif, .bmp, .tiff, .webp, .heif

Vector: .svg, .ai, .eps, .cdr

Raw camera: .raw, .cr2, .nef, .arw, .orf, .dng

🎵 Audio Files

Lossy: .mp3, .aac, .ogg, .wma, .m4a

Lossless: .flac, .alac, .wav, .aiff

MIDI: .mid, .midi

Project/session: .als (Ableton), .flp (FL Studio), .logicx

🎥 Video Files

Standard: .mp4, .avi, .mov, .mkv, .wmv, .flv, .webm

Raw/Editing: .mxf, .r3d, .braw, .mts

Project/session: .prproj (Premiere), .veg (Sony Vegas), .aep (After Effects)

📊 Spreadsheet & Data Files

Spreadsheet: .xls, .xlsx, .ods, .numbers

Database: .db, .sql, .sqlite, .mdb, .accdb

Structured data: .json, .yaml, .xml, .avro, .parquet

📦 Compressed & Archive Files

General: .zip, .rar, .7z, .tar, .gz, .bz2, .xz

Disk images: .iso, .dmg, .vhd, .vhdx, .img

⚙️ Executable & System Files

Windows: .exe, .msi, .bat, .cmd

macOS: .app, .pkg

Linux/Unix: .sh, .run, .bin, .deb, .rpm

Cross-platform: .jar, .py, .pl, .js

🔒 Security & Certificate Files

Certificates: .pem, .crt, .cer, .pfx, .p12

Keys: .key, .asc, .gpg

Encrypted: .enc, .aes

🎮 Game Files

Save files: .sav, .dat, .gci

Game assets: .pak, .wad, .bsp, .uasset

ROMs/ISOs: .nes, .gba, .nds, .iso, .cso

🖥️ Programming & Code Files

Source code: .c, .cpp, .h, .java, .py, .js, .ts, .go, .rs

Web: .html, .css, .scss, .php, .asp

Config: .ini, .cfg, .env, .toml

📚 eBook & Publishing Files

eBooks: .epub, .mobi, .azw3, .ibooks

Publishing: .indd, .qxp

🗂️ Miscellaneous

Fonts: .ttf, .otf, .woff, .woff2

CAD/3D: .dwg, .dxf, .stl, .obj, .fbx, .blend

GIS/Maps: .shp, .kml, .kmz, .gpx

Email: .eml, .msg, .pst, .mbox