Safeguarding Sensitive Data in Microsoft 365 Copilot with Purview DLP (GA Release)

on
The challenge with sensitive data and access to Copilot Microsoft 365 Copilot empowers users with AI-driven assistance across Microsoft 365 apps, but it also raises concerns about accidental oversharing of sensitive information. In response, Microsoft has extended its Purview Data Loss Prevention (DLP) capabilities to Microsoft 365 Copilot, allowing organizations to enforce information protection policies within AI workflows. The DLP for Microsoft 365 Copilot has been in preview for some time, but Microsoft has now announced it is released for GA (General Availability). Among some of the interesting features are new features like alerting and policy simulation. Key details:  Rollout Timeline: As of June 2025, the rollout has begun. It should be completed worldwide by late July 2025. Scope: Initially, DLP for Copilot was available for Copilot Chat scenarios. By the time of GA this is expanding to Copilot in core Office apps (Word, Excel, PowerPoint) as well. Ensuring that DLP prote...

How to locate users without the EXT in line uri and add it to them

on
Sometimes added users do not get their EXT set in their LineURI as they should, and it can be a frustrating to locate these users and to edit the lineURI to the proper format.

Fortunately, we have powershell for those kind of jobs. The following example will locate any csuser with a lineURI but without the extension set. Then add the extension to the lineURI and save the configuration.
$extSet = Get-CsUser -filter {lineuri -notlike "*ext*" -and lineuri -ne $null}
foreach ($user in $extSet){
$myURI = $user.lineuri
$myURI = $myURI + ";ext=" + $myURI.substring($myURI.length - "4") 
set-csUser -Identity $user.displayname -LineUri $myURI -verbose}

The example above will add the extension of 4. Edit this as fit for your environment.
I will add this example to the PsCommands sections as well