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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.