# Invalid Source Format with SAS XPORT

**URL:** <https://forum.certara.com/t/invalid-source-format-with-sas-xport/825>\
**Category:** SDTM\
**Created:** [September 14, 2015, 7:42pm UTC](https://forum.certara.com/t/invalid-source-format-with-sas-xport/825 "2015-09-14T19:42:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![XML4Pharma](https://avatars.discourse-cdn.com/v4/letter/x/b2d939/32.png) [@XML4Pharma](https://forum.certara.com/u/XML4Pharma)\
**Post date:** [September 16, 2015, 7:50pm UTC](https://forum.certara.com/t/invalid-source-format-with-sas-xport/825/1 "2015-09-16T19:50:20Z")

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Is this SAS Transport 5 (.xpt)? You might have the wrong SAS transport version.

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**Author:** ![Sergiy](https://sea1.discourse-cdn.com/certara/user_avatar/forum.certara.com/sergiy/32/2553_2.png) [@Sergiy](https://forum.certara.com/u/Sergiy)\
**Post date:** [September 18, 2015, 4:58pm UTC](https://forum.certara.com/t/invalid-source-format-with-sas-xport/825/2 "2015-09-18T16:58:15Z")

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Hi Mamadou,

What application are you using to create SAS datasets? If it’s SAS, then what is your code?

As Jozef said, in your example “DM.XPORT” a file extension looks invalid. Note, that SAS has several different transporting formats. You need to use PROC COPY or libname option XPORT to create files in SAS XPORT v5 format.

Kind Regards,

Sergiy

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**Author:** ![Dakouo](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@Dakouo](https://forum.certara.com/u/Dakouo)\
**Post date:** [September 14, 2015, 7:42pm UTC](https://forum.certara.com/t/invalid-source-format-with-sas-xport/825/3 "2015-09-14T19:42:56Z")

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Hello everyone;

I use Open Cdisc to validate my SDTM. My files are in SAS XPORT format (E.g: DM.XPORT). I tried many times to validate it with Open CDISC and received this error message “Invalide Source Format”.

Any suggestions for me?

Thanks in advance!

MD, Biostatistician

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