Application.MailSystem Property (Excel)

Office 2013 and later
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Returns the mail system that's installed on the host machine. Read-only XlMailSystem.

expression .MailSystem

expression A variable that represents an Application object.

XlMailSystem can be one of these XlMailSystem constants.

xlMAPI

xlNoMailSystem

xlPowerTalk

This example displays the name of the mail system that's installed on the computer.

Select Case Application.MailSystem 
 Case xlMAPI 
 MsgBox "Mail system is Microsoft Mail" 
 Case xlPowerTalk 
 MsgBox "Mail system is PowerTalk" 
 Case xlNoMailSystem 
 MsgBox "No mail system installed" 
End Select
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