Have you received an email from us asking you to resend your documents in a different format?
If so, don’t worry - we have provided a list of acceptable formats for you below, that outlines all acceptable document types.
If you are still unsure, please contact one of the Live Chat team via the 'Need help' icon at the side of this page (they’re online Mon-Fri 8am-8pm, Sat 9am-5pm, Sun 9am-2pm).
| Extension | Kind of document | MIME Type |
|---|---|---|
| .aac | AAC | audio/aac |
| .abw | AbiWord document | application/x-abiword |
| .arc | Archive document (multiple files embedded) | application/x-freearc |
| .avif | AVIF image | image/avif |
| .avi | AVI: Audio Video Interleave | video/x-msvideo |
| .bmp | Windows OS/2 Bitmap Graphics | image/bmp |
| .bz | BZip archive | application/x-bzip |
| .bz2 | BZip2 archive | application/x-bzip2 |
| .cda | CD audio | application/x-cdf |
| .css | Cascading Style Sheets (CSS) | text/css |
| .csv | Comma-separated values | text/csv |
| .doc | Microsoft Word | application/msword |
| .docx | Microsoft Word (OpenXML) | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| .eml | Email message | message/rfc822 |
| .eot | MS Embedded OpenType fonts |
application/vnd.ms-fontobject |
| .epub | Electronic publication (EPUB) | application/epub+zip |
| .gz | GZip Compressed Archive | application/gzip |
| .gif | Graphics Interchange Format (GIF) | image/gif |
| .htm | Hypertext Markup Language | text/html |
| .html | (HTML) | |
| .ico | Icon Format | image/vnd.microsoft.icon |
| .ics | iCalendar format | text/calendar |
| .jpeg .jpg | JPEG images | image/jpeg |
| .json | JSON format | application/json |
| .jsonld | JSON-LD format | application/ld+json |
| .mid .midi | Musical Instrument Digital Interface (MIDI) | audio/midi audio/x-midi |
| .mp3 | MP3 audio | audio/mpeg |
| .mp4 | MP4 | video/mp4 |
| .mpeg | MPEG video | video/mpeg |
| .odp | OpenDocument presentation document | application/vnd.oasis.opendocument.presentation |
| .ods | OpenDocument spreadsheet document | application/vnd.oasis.opendocument.spreadsheet |
| .odt | OpenDocument text document | application/vnd.oasis.opendocument.text |
| .oga | OGG audio | audio/ogg |
| .ogv | OGG video | video/ogg |
| .ogx | OGG | application/ogg |
| .opus | Opus audio | audio/opus |
| .png | Portable Network Graphics | image/png |
| Adobe Portable Document Format (PDF) | application/pdf | |
| .php | Hypertext Preprocessor (Personal Home Page) | application/x-httpd-php |
| .ppt | Microsoft Powerpoint | application/vnd.ms-powerpoint |
| .pptx | Microsoft Powerpoint (OpenXML) | application/vnd.openxmlformats-officedocument.presenationml.presentation |
| .rar | RAR archive | application/vnd.rar |
| .rtf | Rich Text Format (RTF) | application/rtf |
| .svg | Scalable Vector Graphics (SVG) | image/svg+xml |
| .swf | Small web format (SWF) or Adobe Flash document | application/x-shockwave-flash |
| .tar | Tape Archive (TAR) | application/x-tar |
| .tif .tiff | Tagged Image File Format (TIFF) | image/tiff |
| .txt | Text, (generally ASCII or ISO 8859-n) | text/plain |
| .vsd | Microsoft Visio | application/vnd.visio |
| .wav | Waveform Audio Format | audio/wav |
| .weba | WEBM audio | audio/webm |
| .webm | WEBM video | video/webm |
| .webp | WEBP image | image/webp |
| .xhtml | XHTML | application/xhtml+xml |
| .xls | Microsoft Excel | application/vnd.ms-excel |
| .xlsx | Microsoft Excel (OpenXML) | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| .xml | XML | application/xml |
| .xul | XUL | application/vnd.mozilla.xul+xml |
| .zip | ZIP archive | application/zip |
| .3gp | 3GPP audio/video container | video/3gp;audio/3gpp if it doesn't contain video |
| .3g2 | 3GPP2 audio/video container | video/3gpp2;audio/3gpp2 if it doesn't contain video |
| .7z | 7-zip archive | application/x-7z-compressed |