Backing Up Exchange Online Mailboxes to PSTs Continues to be an Awful Idea

Characterizing backup of Exchange Online mailboxes to PSTs as brain-dead might have been harsh, but it’s an accurate assessment of the worth of this idea. Plenty of cloud-based backup offerings exist that can process Exchange Online data more securely and at scale. If you want to backup Office 365, stay away from PSTs and use a different product, after asking some questions to ensure that the backups deliver the value you expect.

Exchange Online Protection Restricts Tenants from Sending Unprovisioned Email

Exchange Online Protection monitors outbound email to pick up signs of potential compromise in Office 365 tenants. This can lead to EOP restricting a tenant’s ability to send outbound email and force the administrators to check for compromised accounts or connectors and other problems before contacting Microsoft Support to ask them to lift the restriction.

When Exchange Online Protection Blocks Email Senders

Exchange Online Protection monitors email traffic in and out of Office 365 tenants. When a mailbox exceeds limits, it might end up being restricted, such as in the case when the mailbox might be compromised. We tried to find out when Exchange Online Protection restricted mailboxes and what to do afterwards. Here’s what we discovered.

Outlook Mobile can be Default Mail App for iOS14

Among the announcements made by Apple at their annual developers conference is the welcome news that iOS14 will allow you to replace the default mail app and browser. This is great news for people who use Outlook for iOS. And you might even consider Edge as a browser.

Microsoft Automates Easing of EWS Throttling for Migrations

Many migration projects use Exchange Web Services (EWS) to move data to Exchange Online. EWS is using throttled to preserve resources. Here’s how to lift the restrictions for up to 90 days, all without going near a support call.

Upgrading PowerShell Scripts that Use Exchange Online to Send Email

The combination of Exchange Online and PowerShell allows Office 365 admins to send messages for all manner of reasons. These scripts depend on SMTP AUTH connections and change is coming in this area with the deprecation of basic authentication. It’s a good idea to take an inventory of scripts that send email, including those that use the .NET classes to do the job.

How to Block Room Bookings with Exchange Online

Many people are working from home at present, and you might want to block their ability to book meetings in physical rooms. Policies can be configured to stop the Exchange Online resource booking assistant accepting meeting requests sent to rooms, with exceptions granted to people allowed to make bookings.

OWA and Outlook Mobile Make Online Meetings the Norm

Changes coming in May and June will allow organizations to make online meetings the norm when created by OWA or Outlook mobile clients. You can control the feature at the organization level and allow individual mailboxes to override the organization setting.

Use Office 365 Audit Data to Highlight Unused Permissions

I’ve written many articles to explain how to use the Office 365 audit log to report different aspects of the platform. But taking action is much better than just reporting. In this post, we explain how to take a report generated from the Office 365 audit log and use it to drive some actions. In this case, removing the SendAs permission from people who aren’t using it.