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When querying email its HTML content is different from the RAW data

Mark Babayev 226 Reputation points
2024-01-08T10:58:58.6466667+00:00

This is the crosspost of this question: https://techcommunity.microsoft.com/t5/exchange/graph-api-email-content-is-different-from-raw-data/m-p/3869250

I send an email with dashed item list (put dashes manually without clicking on any buttons):

- x
- x
- x

When I afterwards check its raw data in Graph API: https://graph.microsoft.com/v1.0/users/[USER]/messages/[MID]?$select=$value

I receive a correct email body (after manually parsing and un-base64 eml):

<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word"
      xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="Generator" content="Microsoft Word 15 (filtered medium)">
    <style><!--
    /* Font Definitions */
    @font-face {
        font-family: Wingdings;
        panose-1: 5 0 0 0 0 0 0 0 0 0;
    }

    @font-face {
        font-family: "Cambria Math";
        panose-1: 2 4 5 3 5 4 6 3 2 4;
    }

    @font-face {
        font-family: Calibri;
        panose-1: 2 15 5 2 2 2 4 3 2 4;
    }

    /* Style Definitions */
    p.MsoNormal, li.MsoNormal, div.MsoNormal {
        margin: 0cm;
        font-size: 11.0pt;
        font-family: "Calibri", sans-serif;
        mso-ligatures: standardcontextual;
    }

    p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph {
        mso-style-priority: 34;
        margin-top: 0cm;
        margin-right: 0cm;
        margin-bottom: 0cm;
        margin-left: 36.0pt;
        font-size: 11.0pt;
        font-family: "Calibri", sans-serif;
        mso-ligatures: standardcontextual;
    }

    span.EmailStyle17 {
        mso-style-type: personal-compose;
        font-family: "Calibri", sans-serif;
        color: windowtext;
    }

    .MsoChpDefault {
        mso-style-type: export-only;
        font-family: "Calibri", sans-serif;
    }

     WordSection1 {
        size: 612.0pt 792.0pt;
        margin: 72.0pt 72.0pt 72.0pt 72.0pt;
    }

    div.WordSection1 {
        page: WordSection1;
    }

    /* List Definitions */
    @list l0 {
        mso-list-id: 1561476882;
        mso-list-type: hybrid;
        mso-list-template-ids: -343380202 -1048276170 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;
    }
    @list l0:level1 {
        mso-level-start-at: 0;
        mso-level-number-format: bullet;
        mso-level-text: -;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: "Calibri", sans-serif;
        mso-fareast-font-family: Calibri;
    }
    @list l0:level2 {
        mso-level-number-format: bullet;
        mso-level-text: o;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: "Courier New";
    }
    @list l0:level3 {
        mso-level-number-format: bullet;
        mso-level-text: ;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: Wingdings;
    }
    @list l0:level4 {
        mso-level-number-format: bullet;
        mso-level-text: ;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: Symbol;
    }
    @list l0:level5 {
        mso-level-number-format: bullet;
        mso-level-text: o;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: "Courier New";
    }
    @list l0:level6 {
        mso-level-number-format: bullet;
        mso-level-text: ;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: Wingdings;
    }
    @list l0:level7 {
        mso-level-number-format: bullet;
        mso-level-text: ;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: Symbol;
    }
    @list l0:level8 {
        mso-level-number-format: bullet;
        mso-level-text: o;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: "Courier New";
    }
    @list l0:level9 {
        mso-level-number-format: bullet;
        mso-level-text: ;
        mso-level-tab-stop: none;
        mso-level-number-position: left;
        text-indent: -18.0pt;
        font-family: Wingdings;
    }
    ol {
        margin-bottom: 0cm;
    }

    ul {
        margin-bottom: 0cm;
    }

    --></style>
</head>
<body lang="en-IL" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
    <ul style="margin-top:0cm" type="disc">
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">X<o:p></o:p></span></li>
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">X<o:p></o:p></span></li>
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">X<o:p></o:p></span></li>
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">Xx<o:p></o:p></span></li>
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">X<o:p></o:p></span></li>
        <li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span lang="EN-US">X<o:p></o:p></span></li>
    </ul>
    <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
    <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
    <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
</div>
</body>
</html>

But when I request an email html body alone with:

https://graph.microsoft.com/v1.0/users/[USER]/messages/[MID]?$select=body

I receive it different:

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="Generator" content="Microsoft Word 15 (filtered medium)">
    <style>
        <!--
        @font-face {
            font-family: Wingdings
        }

        @font-face {
            font-family: "Cambria Math"
        }

        @font-face {
            font-family: Calibri
        }

        p.MsoNormal, li.MsoNormal, div.MsoNormal {
            margin: 0cm;
            font-size: 11.0pt;
            font-family: "Calibri", sans-serif
        }

        p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph {
            margin-top: 0cm;
            margin-right: 0cm;
            margin-bottom: 0cm;
            margin-left: 36.0pt;
            font-size: 11.0pt;
            font-family: "Calibri", sans-serif
        }

        span.EmailStyle17 {
            font-family: "Calibri", sans-serif;
            color: windowtext
        }

        .MsoChpDefault {
            font-family: "Calibri", sans-serif
        }

         WordSection1 {
            margin: 72.0pt 72.0pt 72.0pt 72.0pt
        }

        div.WordSection1 {
        }

        ol {
            margin-bottom: 0cm
        }

        ul {
            margin-bottom: 0cm
        }

        -->
    </style>
</head>
<body lang="en-IL" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
    <ul type="disc" style="margin-top:0cm">
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">X</span></li>
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">X</span></li>
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">X</span></li>
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">Xx</span></li>
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">X</span></li>
        <li class="MsoListParagraph" style="margin-left:0cm"><span lang="EN-US">X</span></li>
    </ul>
    <p class="MsoNormal"><span lang="EN-US">&nbsp;</span></p>
    <p class="MsoNormal"><span lang="EN-US">&nbsp;</span></p>
    <p class="MsoNormal"><span lang="EN-US">&nbsp;</span></p></div>
</body>
</html>

That means the email HTML content is different from the email RAW content. There are missing "mso-list:l0 level1 lfo1" styles. Because of that, when we update an email (by the Graph API POST request) with some additional content the dashes lists are converted to the bullets lists.

Microsoft Security | Microsoft Graph
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