Update Set-OwaMailboxPolicy.md

[cpsou]

Adding the Outlook Data File (.pst) policy for new Outlook for Windows (Monarch)

[learn-build-service-prod]

Learn Build status updates of commit 3c0b404:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit f5871d7:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[cpsou]

@microsoft-github-policy-service agree company="Microsoft"