Article · Wikipedia archive · Last revised Jun 15, 2026

SDEF

The Standard Data Exchange Format (SDEF) provides a proprietary protocol to exchange project planning and progress data between scheduling systems and project management software. It is used by the United States Army Corps of Engineers USACE (or Corps Of Engineers, COE) in their project management and network analysis systems (NAS). The USACE publications library includes the exact SDEF specification in PDF format.

Last revised
Jun 15, 2026
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The Standard Data Exchange Format (SDEF) provides a proprietary protocol to exchange project planning and progress data between scheduling systems and project management software. It is used by the United States Army Corps of Engineers USACE (or Corps Of Engineers, COE) in their project management and network analysis systems (NAS). The USACE publications library1 includes the exact SDEF specification2 in PDF format.

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