Tony Redmond profile picture

Follow Tony

Tony Redmond

Petri Contributor

Tony Redmond has written thousands of articles about Microsoft technology since 1996. He covers Office 365 and associated technologies for Petri.com and is also the lead author for the Office 365 for IT Pros eBook, updated monthly to keep pace with change in the cloud.

LATEST

Microsoft Launches External Access Block Policy for Groups, Teams, and Planner

Last Update: Nov 19, 2024

Microsoft has launched a new external sharing policy for groups that allows tenants to set allow and block lists for domains. The new policy is due for use with Teams, Planner, and other applications that need to block external users from specific domains. It’s a set along the path to getting full external access for Office 365 apps.

View Article

Controlling Message Deletion in Microsoft Teams

Last Update: Sep 04, 2024

Microsoft Teams now includes the ability to control whether team owners or members can remove items from conversations. It’s a useful feature. All of us have probably regretted something said electronically!

View Article

Sponsored: Managing Email Signatures

Last Update: Nov 19, 2024

Surprisingly, Microsoft has never included a central method to manage user autosignatures within the cloud or on-premises versions of Exchange. Which means that you must let users manage their signatures, build your own tools, or deploy a commercial solution.

View Article

Office 365 Alert Policies Automate Audit Monitoring

Last Update: Sep 04, 2024

No one likes looking at a stream of audit events flowing by, especially when an Office 365 tenant generates so many events. Alert policies allow tenants to define patterns of activity that indicate suspicious or harmful behavior. There’s goodness here, as long as you have Office 365 E5 subscriptions.

View Article

Exploring Office 365 with the Graph Explorer

Last Update: Sep 08, 2025

The Microsoft Graph is a common programmatic interface to Office 365 and other data, including Azure Active Directory. The Graph Explorer is an excellent guide to help programmers understand what is possible with the Microsoft Graph and how to interact with the various endpoints.

View Article
Office 365 hero image

Two Kinds of Office 365 Analytics – For You and The Company

Last Update: Sep 04, 2024

Microsoft Workplace Analytics is not a “Fitbit for the enterprise” that you can deploy off-the-shelf to get instantly usable information. Expect to invest considerable time or spend some consulting dollars to make sense of organization dynamics, office politics, and internal friction. All the stuff that makes working in large companies so worthwhile!

View Article

Microsoft Reverses eDiscovery Decision Because of Discovery Mailboxes

Last Update: Jul 04, 2025

Microsoft told us some months ago that they would block the creation of new eDiscovery cases in Exchange and SharePoint. A course reversal has happened because of the humble discovery mailbox, which Exchange uses as a target for eDiscovery results. The block has lifted for Exchange but remains for SharePoint. It will eventually happen for Exchange but Office 365-wide functionality is better than workload-specific features.

View Article

Intractable Problems Involved in Merging Office 365 Tenants

Last Update: Nov 19, 2024

Microsoft makes it easy for companies to use Office 365 and has been very successful in moving customers to the cloud. But when you get to the cloud and find that your company is involved in a corporate merger, acquisition, or split, things are not so easy because the tools to do the work don’t exist. Some glimmer of hope exists as ISVs have started to take interest in the space.

View Article

Azure Active Directory is a Core Part of the Office 365 “Experience”

Last Update: Nov 19, 2024

Recent developments show that a fully-populated Azure Active Directory is considered by Microsoft to be a core part of the overall Office 365 “experience.” Yet many tenants have partly-populated directories. Is that a problem? Or might it be a future problem?

View Article

Gartner Sees Strong Position and Momentum for Office 365

Last Update: Sep 04, 2024

Gartner’s recent SWOT analysis of Office 365 contains some interesting thoughts and observations. I do not agree with them all because I think some of their thinking is a little dated, but it is always interesting to read what Gartner is whispering into the ears of their customers.

View Article

Common External Access Needed for Office 365 Applications

Last Update: Nov 19, 2024

The news that Teams won’t support external access when they planned is not a shock. But what is needed is a common external access mechanism that can work for all of the Office 365 applications. Let’s not reinvent the wheel!

View Article

Stream Reaches GA but Office 365 Video Users Must Wait for Transition

Last Update: Sep 04, 2024

Microsoft has launched Stream, their new video streaming, sharing, and management service for consumers and business. You can use Stream now, but not yet if you have used Office 365 Video in the past. Microsoft has some work to do to make that transition flawless.

View Article
Go to page