| pdf | Portable Document Format | application/pdf | .pdf | Invoices, contracts, reports, official documents |
| image | Image files (photos, scans, graphics) | image/jpeg, image/png, image/gif | .jpg, .jpeg, .png, .gif, .webp | Scanned documents, receipts, photos, logos |
| document | Text documents and word processing | application/msword, text/plain | .doc, .docx, .txt, .rtf | Letters, proposals, notes, manuscripts |
| spreadsheet | Spreadsheet and data files | application/vnd.ms-excel | .xls, .xlsx, .csv | Financial data, budgets, lists, calculations |
| presentation | Presentation and slide files | application/vnd.ms-powerpoint | .ppt, .pptx, .key | Business presentations, proposals, decks |
| archive | Compressed and archive files | application/zip, application/x-rar | .zip, .rar, .7z, .tar.gz | File bundles, backups, software packages |
| video | Video and multimedia files | video/mp4, video/avi | .mp4, .avi, .mov, .wmv, .mkv | Training videos, presentations, recordings |
| audio | Audio files and recordings | audio/mpeg, audio/wav | .mp3, .wav, .aac, .ogg | Voice notes, music, podcasts, recordings |
| web | Web and markup files | text/html, application/json | .html, .htm, .xml, .json | Web pages, configuration, data exchange |
| other | Miscellaneous and unknown file types | application/octet-stream | Various | Proprietary formats, unknown files |
