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AppsMicrosoft Outlook ToolsOutlook Add Mail Attachment
Microsoft Outlook Tools

Outlook Add Mail Attachment

Tool to add an attachment to an email message. Use when you have a message ID and need to attach a small (<3 MB) file or reference.

Write actionRisk level 2 of 5OAuth connection
Use Outlook Add Mail Attachment

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Pricing
Free
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Not currently supported

Inputs

  • itemobject
    Embedded item (e.g., message, event) for itemAttachment; must include its own '@odata.type'.
  • namestring
    Display name of the attachment (e.g., file name). Required when using content_bytes. When using the attachment field, the name is automatically inferred.
  • user_idstring
    The user's principal name or 'me' for the authenticated user.
  • isInlineboolean
    Set to true if the attachment should appear inline in the message body.
  • contentIdstring
    Content ID for inline attachments, used in HTML body references.
  • attachmentobject
    File to attach to the email. Either provide this field OR use 'content_bytes'. Cannot be used together with 'content_bytes'.
  • message_idstring
    Required
    Unique Microsoft Graph message ID (opaque string like 'AAMkAGI2TAAA='). NOT an email address - this is an internal identifier returned by Microsoft Graph API operations.
  • odata_typestring
    The OData type of the attachment. Required by Microsoft Graph API. Use '#microsoft.graph.fileAttachment' for file attachments, '#microsoft.graph.itemAttachment' for embedded items (messages, events, contacts).
  • contentTypestring
    MIME type of the attachment (e.g., 'application/pdf'). Required when using content_bytes. When using the attachment field, the mimetype is automatically inferred.
  • contentBytesstring
    Base64-encoded content of the file attachment (max size 3 MB). Either provide this field OR use the 'attachment' field (recommended). Cannot be used together with 'attachment'.
  • contentLocationstring
    URL location or path for reference attachments.

Observable output

  • data
    Required
    Data from the action execution
  • errorstring
    Error if any occurred during the execution of the action
  • successfulboolean
    Required
    Whether or not the action execution was successful or not

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