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 |
| DOC, DOT, DOCX |
Microsoft Word 97, 2000, XP, 2003, 2007 |
| XML |
Currently supported XML types
Microsoft Word 2003 XML |
| PDF |
Adobe Acrobat |
| TIF |
Group 3 TIFF, may be in standard or fine resolution *** |
| TXT |
ASCII Plain Text |
| XLS, XLSX |
Microsoft Excel 97, 2000, XP, 2003, 2007
Note: Only active worksheets will be faxed |
| HTM/HTML** |
HTML files |
| MHT** |
MHT web archive files; HTML with embedded images |
| URL |
Windows URL files
Note: The contents of the linked page will be faxed |
| PPT, PPTX |
Microsoft PowerPoint 97, 2000, XP, 2003, 2007 |
| GIF |
Non-animated GIF files * |
| JPG |
JPEG files * |
| PS |
PostScript |
| EPS |
Encapsulated PostScript |
| RTF |
Rich Text Format |
| BMP |
Windows Bitmap * |
| PCX |
PC Paintbrush Bitmap * |
| SNP |
Microsoft Access Snapshot (Version 10 on Windows 2000) |
| ZIP |
Any of the above file types may be compressed as a zip file. Multiple files within a single zip file are allowed. |
* 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 |
|