Outlook attachment size limit office 365

Outlook performance in вЂњon-line modeвЂќ is not all that great. When you connect Outlook to an Exchange account, Outlook downloads a copy of your mailbox content to a local cache. One of the biggest factors that influences Outlook performance is caching. In other words, is Outlook running nicely, or is it running slowly? While all that is important, the end-users think of email as the client experience. When this quota is reached, warning messages are sent once a day.As Exchange administrators we tend to think about servers, networks, and datacenters. If no owner exists, warning messages are sent to users with Owner permissions.

Warning for number of subfolders per public folder: Specifies the number of subfolders that can be created in a public folder before Exchange Online sends a warning message to the folder owner.

New subfolders canвЂ™t be created in a public folder when this limit is reached.

Maximum number of subfolders per public folder: Specifies the maximum number of subfolders that can be created in a public folder.

When this limit is reached, existing public folders must be deleted before new public folders can be created.

Maximum number of public folders: Specifies the maximum number of public folders in the complete public folder hierarchy.

When this quota is reached, warning messages are sent once a day.

Warning for folder hierarchy depth: Specifies the number of levels in the folder hierarchy of a mailbox folder that can be created before Exchange Online sends a warning message to the mailbox owner.

The mailbox owner wonвЂ™t be able to create another level in the folder hierarchy of the mailbox folder when this limit is reached.

The maximum folder hierarchy depth: Specifies the maximum number of levels in the folder hierarchy of a mailbox.

Warning for the number of subfolders per mailbox folder: Specifies the number of subfolders that can be created in a mailbox folder before Exchange Online sends a warning message to the mailbox owner.

The mailbox owner wonвЂ™t be able to create a new subfolder when this limit is reached.

The Maximum number of subfolders per mailbox folder: Specifies the maximum number of subfolders that can be created in a mailbox folder.

Warning for the number of messages per folder in the Recoverable Items folder: Specifies the number of messages that each folder in the Recoverable Items folder can hold before Exchange Online logs an event to the application event log.

For example, if the Deletions folder in the Recoverable Items folder has exceeded the message count limit and the mailbox owner attempts to permanently delete items from their mailbox, the deletion will fail. When a folder exceeds this limit, it canвЂ™t store new messages.

The maximum number of messages per folder in the Recoverable Items folder: Specifies the maximum number of messages that can be contained in each folder in the Recoverable Items folder.

Warning for the number of messages per mailbox folder Specifies the number of messages that a mailbox folder can hold before Exchange Online sends a warning message to the mailbox owner.

New messages canвЂ™t be delivered or saved to a folder when this limit is reached. Specifies the maximum number of messages for a mailbox folder.

The maximum number of messages per mailbox folder.For practical purposes, mailbox folder limits are in effect unlimited and sufficient to support most Exchange Online mailboxes and on-premises mailboxes that are migrated to Exchange Online. The goal of these limits is to prevent an infinite number of mailbox items per folder, an infinite number of folders per mailbox, or an infinite number of public folders per Exchange Online organization. These limits are intended to limit mailboxes to known dimensions that can be supported in Exchange Online. Ask us about how we can help with migration and licensing of Microsoft Office 365

Outlook attachment size limit office 365