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You'll need a new app to open this osf-roaming.16 message when starting Outlook 2016

  • Article
  • Applies to:
    Outlook 2016, Application Virtualization for Windows Desktops, App-V 5.0 for Windows Desktops

Original KB number:   4230296

Symptoms

When you try to start Outlook 2016, you receive the following message:

Do you want to allow this website to open an app on your computer?

Screenshot of message: Do you want to allow this website to open an app on your computer.

If you select Allow, you receive a You'll need a new app to open this osf-roaming.16 message.

Screenshot of message: you need a new app to open this `osf-roaming.16`.

Cause

This issue occurs when the Click-to-Run version of Microsoft Office Professional Plus is installed on the system together with the App-V version of Microsoft Visio or Microsoft Project.

Resolution

To resolve this issue, deploy the Click-to-Run or MSI version of Visio 2016 or Project 2016.

For more information about how to deploy Visio 2016 or Project 2016, see Deploying Microsoft Office 2016 by Using App-V.