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Prevent leaks of sensitive data

Data Loss Prevention helps you to protect your data, with DLP you can:

  • Identify sensitive information across many locations, such as Exchange Online, SharePoint Online, OneDrive for Business, and Microsoft Teams.
  • Prevent the accidental sharing of sensitive information.
  • Monitor and protect sensitive information in the desktop versions of Excel, PowerPoint, and Word.
  • Help users learn how to stay compliant without interrupting their workflow.
  • View DLP reports showing content that matches your organization’s DLP policies.

Using a retention label as a condition in a DLP policy

When you use a previously created and published retention label as a condition in a DLP policy, there are some things to be aware of:

You have to have previously created, published and applied the retention label before you attempt to use it as a condition in a DLP policy.
Retention labels can take up to a day to sync and up to seven days to auto-apply after they have been created and published.

See, How long it takes for retention labels to take effect for detailed information.
Using a retention label in policy is only supported for items in SharePoint Online and OneDrive for Business.

DLP cmdlets

To use most of the cmdlets for the Security & Compliance Center, you need to:

Connect to the Office 365 Security & Compliance Center using remote PowerShell

Use any of these policy-and-compliance-dlp cmdlets

However, DLP reports need pull data from across Microsoft 365, including Exchange Online. For this reason, the cmdlets for the DLP reports are available in Exchange Online Powershell — not in Security & Compliance Center Powershell. Therefore, to use the cmdlets for the DLP reports, you need to:

Connect to Exchange Online using remote PowerShell

Use any of these cmdlets for the DLP reports:

Get-DlpDetectionsReport
Get-DlpDetailReport

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