Supported File Types
The following table lists file types supported as attachments by the InterFAX service. See also System Limitations for unsupported file behaviors.
Note: Attempting to send a file with an extension which is not its native extension, as defined below, will result in a rendering error.
| Document Extension | File Type | MIME type |
|---|---|---|
| ODF, ODG, ODM, ODP, ODS, ODT | Open Office | application/vnd.oasis.opendocument.formula, application/vnd.oasis.opendocument.graphics, application/vnd.oasis.opendocument.textmaster, application/vnd.oasis.opendocument.presentation, application/vnd.oasis.opendocument.spreadsheet, application/vnd.oasis.opendocument.text, respectively |
| DOC, DOCX | Created by Microsoft Word 97, 2000, XP, 2003, 2007; Google Docs; Zoho Docs Note that as of 31 Dec 2011, DOC files of versions 97, 2000, and XP will be opened and converted to faxes using a current version of Word. |
application/msword |
| DOT | Created by Microsoft Word 97, 2000, XP, 2003, 2007 Note that as of 31 Dec 2011, DOT files of versions 97, 2000, and XP will be opened and converted to faxes using a current version of Word. |
application/msword |
| XML | Currently supported XML types: Microsoft Word 2003 XML | application/xml |
| Adobe Acrobat (Version 7) | application/pdf | |
| TIF | Group 3 TIFF, may be in standard or fine resolution *** | image/tif |
| TXT | ASCII Plain Text | text/plain |
| XLS, XLSX | Microsoft Excel 97, 2000, XP, 2003, 2007; Google Docs; Zoho Docs Note: Only active worksheets will be faxed |
application/vnd.ms-excel |
| HTM/HTML** | HTML files Note that HTML is opened and converted to faxes using Internet Explorer v6. | text/html |
| MHT** | MHT web archive files; HTML with embedded images Note that HTML is opened and converted to faxes using Internet Explorer v6. |
message/rfc822 |
| URL | Windows URL files Notes: 1.) The contents of the linked page will be faxed; 2.) HTML is opened and converted to faxes using Internet Explorer v6. |
application/internet-shortcut |
| PPT, PPTX | Microsoft PowerPoint 97, 2000, XP, 2003, 2007; Google Docs; Zoho Docs | application/vnd.ms-powerpoint |
| GIF | Non-animated GIF files * | image/gif |
| PNG | PNG files | image/png |
| JPG/JPEG | JPEG files * | image/jpg |
| PS | PostScript | application/postscript |
| EPS | Encapsulated PostScript | application/eps |
| RTF | Rich Text Format | application/rtf |
| BMP | Windows Bitmap * | image/bmp |
| PCX | PC Paintbrush Bitmap * | application/pcx |
| SNP | Microsoft Access Snapshot (Version 10 on Windows 2000) | application/snapshot |
| ZIP | Any of the above file types may be compressed as a zip file. Multiple files within a single zip file are allowed. | application/zip |
* For best results use only monochrome (1-bit color, not grayscale) with the following image sizes
** HTML documents are rendered using MS Internet Explorer, with page margins set to 10.16mm (left, right, top, and bottom)
***Image Sizes
| Standard Resolution | Fine Resolution | |||
|---|---|---|---|---|
| Width | Height | Width | Height | |
| A4 | 1,728 | 1,169 | 1,728 | 2,338 |
| Letter | 1,728 | 1,100 | 1,728 | 2,200 |
| Legal | 1,728 | 1,400 | 1,728 | 2,800 |
| B4 | 2,048 | 1,357 | 2,048 | 2,714 |