Tag Archives: Exchange Online

Updated Exchange Online Limits

Microsoft have updated the official Exchange Online Limits service description to reflect the recent changes in message limits, as mentioned in my previous posts; Change in Maximum Message Size limits in Exchange Online and Transcoding Exchange Online Message sizes. Two important notes: Across all Office 365 plans, the limit for file attachments in OWA is… Read More »

Office 365 Import Service released

The newly announced Office 365 Import Service has been released for Office 365 customers joining the First Release program. You can read more about the new improvements in First Release in my blog post Fine tuning option available for “First Release” in Office 365 To ensure compliance, information discovery and protection, most of the organizations… Read More »

Enhanced NDRs now available in Exchange Online

Although still listed as “In Development“, the Enhanced non-delivery reports (NDRs) are now available in Exchange Online. The Enhanced NDR present a great improvement to both end users and Office 365 administrators. The new NDRs are intended to make it easier for the end-user to understand why their message was not delivered, and the added… Read More »

Transcoding Exchange Online Message sizes

With regards to the recent announced support for e-mail messages up to 150 MB it is important to note that the new limits only applies to non-transcoded messages that is handled in the Office Outlook client. When a message is routed between mail systems, overhead may be added due to transcoding, or Base64/MIME conversion. Arriving… Read More »

Change Maximum Message Size limits in Exchange Online

Until recently the largest allowed e-mail message size in Office 365 was 25 MB as the public “softlimit”, and a 35 MB technical “hardlimit”. Although most e-mail messages are much smaller than the 25 MB limit, attaching files to an e-mail will quickly get you over the message size limit, resulting in a Non-Delivery Report… Read More »