M365 - Exchange Online Center

ENow Software's Microsoft Exchange Online blog built by Microsoft MVPs for IT/Sys Admins.

Exchange Online listing image

Customizable Recipient Limits in Exchange Online

Image of Dominik Hoefling MVP
Dominik Hoefling MVP

Recipient Limits in Exchange Online

Microsoft has about 258 million paid seats for Office 365, The Verge reported in April 2020. As a “shared medium” for a lot of organizations around the globe, it should be clear that there must be limits in the Microsoft 365 ecosystem, e. g. message size limits or Teams member limits. In this blog we are covering recipient limits in Exchange Online.

Read More
Man using laptop listing image

Managing Exchange Online using the EXOv2 module

Image of Michel de Rooij
Michel de Rooij

Managing Exchange Online using the EXOv2 module

Early June, Microsoft released a new PowerShell module for managing Exchange Online to the public. This module was already announced at Ignite 2019, but it took some time for the module to go into preview end of last year before reaching Generally Available status. Usage of this module promises substantial improvements over the existing methods to connect to Exchange Online using Powershell, such as:
Read More
businessman using tablet

New Features for Single Item Recovery

Image of Nathan O'Bryan MCSM
Nathan O'Bryan MCSM

New Features for Single Item Recovery

There's a lot of content out there about backups for Office 365. I, personally, have written and spoken a lot about backups for Office 365. If you ask 10 experts, you will probably get 10 different opinions about how, or why, or what you should or should not backup in Office 365. Depending on the day (and let’s be honest, who I am working for) I may give you different answers myself.

Read More
business woman touching tablet

Modern Authentication Updates in Exchange Online

Image of Nathan O'Bryan MCSM
Nathan O'Bryan MCSM

Modern Auth Updates in Exchange Online

The great thing about Office 365 is that it is a constantly updated service. For your subscription, your organization is constantly getting new features and functionality that can greatly improve the overall Office 365 experience. Of course, the downside of that is that IT pros working in Office 365 need to keep up to date on these changes. Luckily for you, you have found this amazing blog post that is going to explain some recent updates to Modern Authentication in Exchange Online.

Read More
Exchange Online Security listing image

Reply All Storm Protection in Exchange Online

Image of Jaap Wesselius
Jaap Wesselius

Reply All Storm Protection in Exchange Online

Twenty-five years (!) ago I was working for Microsoft. One morning we got this message with a subject line “Why am I on this mailing list?  Please remove me from it.” From someone, followed by an email saying “Me Too!”, and another one with “Me Too!” and another one, and another one, followed by email with “People stop with the replay” multiple times. Before we knew it, the Exchange environment was brought to a standstill because of the enormous amount of email sent via this Distribution Group and nobody was able to send email anymore. It took a couple of days before the Microsoft internal IT staff had fixed this.

Read More
person using laptop listing image

Why Modern Exchange Hybrid?

Image of Thomas Stensitzki
Thomas Stensitzki

Why Modern Exchange Hybrid?

The question of why should I implement Exchange Modern Hybrid is justified. Exchange Modern Hybrid is specially designed to simplify implementing Exchange Hybrid Mode by eliminating the requirement for inbound HTTPS connections to an on-premises Exchange organization. The technical specifications for Classic Exchange Hybrid are sometimes unsuitable for enterprises. You can read more about the differences between the two Exchange Hybrid modes in ENow's blog post, "What are your Hybrid Options."

Read More