Office 365 for IT Pros

The ultimate eBook that’s consistently updated on the Microsoft 365 cloud Office suite. It includes detailed information on Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, Planner, Azure Active Directory, and much more.

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Articles

Sensitivity Labels Auto-Label Policies and Their Costs

1 week ago | office365itpros.com | Tony Redmond

Table of ContentsToggleLast week, I discussed how to use auto-label policies to apply sensitivity labels to old files in SharePoint Online sites to prevent their discovery and use by Microsoft 365 Copilot. The approach works but it’s only viable if a Microsoft 365 tenant has the necessary licenses to support auto-label policies. Understanding Microsoft licensing is an art form and getting things right is important when a licensing decision might affect everyone in a tenant.
Entra ID to Disable Service Principal-Less Authentication

1 week ago | office365itpros.com | Tony Redmond

Table of ContentsToggleOne of the latest announcements from Microsoft engineering groups to improve the overall security of their cloud infrastructure is Entra’s decision to halt service principal-less authentication from March 2026. It’s an example of eradicating old practices that are unacceptable in today’s threat environment. Service principal-less authentication happens when an enterprise app (aka a multitenant app) is used without a service principal in the host tenant.
Microsoft Attempts to Fix Microsoft Graph PowerShell SDK

1 week ago | office365itpros.com | Tony Redmond

Table of ContentsToggleAs anyone who keeps tabs on the Microsoft Graph PowerShell SDK, the V2.26 release was a disaster. Poor testing and other failures let obvious problems escape into customer environments. To be fair to Microsoft, the development group fixed some of the more grievous problems and issued version 2.26.1 a week or so after V2.26 appeared.
How to Report the Creation of SharePoint Agents

2 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleAnother day, another event on the TEC 2025 European Roadshow. This time we were in Paris and just like in London’s discussion about how to protect old confidential files from Copilot access, attendees posed many good questions. Following the discussion about how to manage agents, I was asked how an organization could discover if SharePoint agents are in use. It’s a good question that isn’t answered in Microsoft’s documentation about how to manage agents in SharePoint.
Trainable Classifiers

2 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleI’ve been on the TEC 2025 Roadshow in Europe this week. Monday was London, Tuesday Paris, and Dusseldorf is the final stop on Thursday. These trips sound like they should be great fun, but running events in three major cities over four days takes a brutal amount of effort. In any case, my topic this week is protecting Microsoft 365 data in the era of AI.
How to Report File Sharing Events for SharePoint Online

2 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleA recent article about auditing file sharing activities in Teams generated some questions. The accompanying script searches for FileUploaded events, which have nothing to do with sharing. SharePoint Online captures FileUploaded events when users create new files in SharePoint sites. In any case, after reading the article, it makes a case to keep an eye on files uploaded to Teams channels because it’s possible that someone might share information that results in a data leak.
Microsoft Defender Email Preview Enables Malicious Links

2 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleI receive many messages from readers about different aspects of Microsoft 365. To be honest, I usually don’t have much time to devote to these queries unless it’s an interesting topic. Hearing about a Microsoft 365 component that allows administrators to click links that are known to lead to bad destinations certainly fell into that category, especially when the communication comes from an experienced Security Operations (SecOps) practitioner.
Conditional Access Optimization Agent Brings AI to CA

3 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleAll around Microsoft, program managers and executives are seeking opportunities to deploy artificial intelligence in products, preferably if that usage justifies the requirement for an additional license. Some of the resulting ideas are good, like the Facilitator agent for Teams group chats. Others need more time to appreciate the use case, if one exists.
Transfer Meeting Ownership Can be Hard Work

3 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleA problem that’s often faced when tidying up the affairs of ex-employees is what to do about the meetings they organize. Sometimes, no issue arises because the ex-employee doesn’t organize meetings or they have just a few meetings that can be easily canceled. In other instances, the departing individual is the organizer of a many meetings, including recurring meetings, and the meetings have artifacts like Loop-based meeting notes, attendance reports, and so on.
How SharePoint Online Restricted Content Discovery Works

3 weeks ago | office365itpros.com | Tony Redmond

Table of ContentsToggleThe problem of poor permission management has surfaced from time to time in the history of SharePoint. The Office Delve app caused the last big upheaval within Microsoft 365 when it demonstrated an uncanny ability to surface sensitive documents to user view. Of course, Delve was never the problem. The issue is due to careless permission assignment, usually at site level.