EDI File Extensions
| Extension |
Type |
| .ddo | Invoice file ready for loading (single invoice only) |
| .dd2 | Invoice file ready for loading (can support multiple invoices in one file) |
| .rtf | Return file ready for loading |
| .rtd | Return file that has been processed and will be transferred back to XChangeIT |
| .bak | A ddo,dd2 or rtf file that has been loaded into Computerlink |
NOTE: Nothing is changed in a ddo, dd2 or rtf file in the process of loading into Computerlink. This enables these files to be easily reloaded by changing the .bak file extension to the original extension.