2831410 - Unable to insert Attachment via ODATA API 'Attachment' Entity with file type docx or doc

When creating an attachment via Postman, below error that attachment file is not supported is returned as a response.

Sample Request Payload

{
"__metadata": {
"uri": "Attachment"
},
"userId": "cgrant",
"fileName": "f1.docx",
"description": "des1",
"fileContent": "ZHV6aWVsZQ==",
"viewable": true,
"deletable": false,
"moduleCategory": "PERFORMANCE_ASSESSMENTS",
"module": "PERFORMANCE_MANAGER"

}

Sample Response Body

<?xml version="1.0" encoding="utf-8"?>

<error xmlns=" http://schemas.microsoft.com/ado/2007/08/dataservices/metadata "> <code>COE_GENERAL_SERVER_FAILURE</code>

<message lang="en-US">[COE0019]The file type of testJC1.docx is not supported for attachments</message></error>

SAP SuccessFactors Recruiting Management

SFOdata.Attachment, MS Word Odata Attachment, fileContent, base64, [COE0019]The file type of **.docx is not supported for attachments, odata api , KBA , LOD-SF-INT-ODATA , OData API Framework , LOD-SF-INT , Integrations , Problem