---
title: "Discussion on \"Designing a Data Extension in SFMC: The Four Decisions First\" | Hashnode"
description: "Discussion on \"Designing a Data Extension in SFMC: The Four Decisions First\". Client hands you a 40-column Excel file and says 'import this into SFMC.' Copying columns verbatim is how you end up with a DE that can't send email. Four decisions to make before you create the DE."
url: "https://hashnode.com/posts/designing-a-data-extension-in-sfmc-the-four-decisions-first/6a127d482018432660407b28"
---

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# [Designing a Data Extension in SFMC: The Four Decisions First](https://sapotacorpvn.hashnode.dev/designing-a-data-extension-in-sfmc-the-four-decisions-first?utm_source=hashnode&utm_medium=feed)

Client hands you a 40-column Excel file and says 'import this into SFMC.' Copying columns verbatim is how you end up with a DE that can't send email. Four decisions to make before you create the DE.

May 24 · 4 min read · sapotacorpvn.hashnode.dev  
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-   [#salesforce](https://hashnode.com/tag/salesforce)
-   [#sfmc](https://hashnode.com/tag/sfmc)
-   [#marketing-cloud](https://hashnode.com/tag/marketing-cloud)
-   [#data-extension](https://hashnode.com/tag/data-extension)
-   [#data-modeling](https://hashnode.com/tag/data-modeling)

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