If the Outlook error message The email system had a problem processing this message, It won’t try to deliver this message again keeps troubling you, this post may ...

Microsoft has fixed a known issue affecting Outlook for Microsoft 365 users that caused problems sending emails for those with too many nested folders. Microsoft says ...

Microsoft has acknowledged a new issue affecting Outlook for Microsoft 365 users and causing email-sending problems for those with too many nested folders. According to Redmond, this is likely related ...