Run below cmdlets to find the message size limit. The message was not sent reduce the message size and try again. The size of the message you are trying to send exceeds the global size limit of the server. Attachment size exceeds the allowable limit. Keep in mind that Kutools will not allow you to send email attachments larger than the limit imposed by your email provider. Kutools is compatible with Outlook 2016, Outlook 2013, Outlook 2010 and Office 365. Even if the mail host lets you send larger messages, Outlook won’t let you. If you try to send a message over that size, you’ll get a warning The attachment size exceeds the allowable limit. System Undeliverable, message size exceeds outgoing message size limit. Lucky for us, it has a suite of additional settings, one of them being an intuitive way of changing the Maximum Attachment Size. It’s still the limit in Outlook 2010, 20 for Windows. Find default Message Size Limit for a Mailbox:īy default mailboxes are inheriting message size limit from organizational level which we can setup using Transport Configuration Settings. 552: Message size exceeds maximum permitted.

For your reference: Message limits across standalone options. In general, the file attachment size limit for Outlook for iOS and Android is 25 MB for Exchange server users. But in this guide, we will configure for individual mailbox only. You can check if there are any limits or configuration on the proxy server side which can contribute to this issue as well. We can apply these limits to your entire Exchange organization, to specific mail transport connectors, specific servers, and to individual mailboxes. We can configure email attachment size as it plays an important role in bandwidth, storage limit, email queue, and mailbox size.

Configure Message Attachment Restriction:Įxchange Server allows us to configure size restrictions to email messages sent within the service and between internal and external recipients. In this post, we will learn the steps to configure Email Message Attachment Size Limit for a Mailbox in Exchange 2019.

Outlook 2016 attachment size limit