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Sep 11, 2023 at 08:55 AM

No activation at Re-installation of Add-in Outlook for Office 365

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Dear Experts of Sales Cloud and C4C,

I am having trouble reinstalling the Sales Cloud (C4C) Add-in for Outlook 365 and would like your advice.

My symptoms:

(1) Oulook for Office 365 crashes due to C4C add-in.

(2) I checked the display of disabled COM add-ins and found that the C4C add-in was targeted and disabled, so I enabled it.

(3) I checked the Outlook add-in option and restarted Outlook, but no matter how many times I ran it, the check was automatically unchecked and the add-in was not enabled.

(4) Then I removed C4C from the list of add-ins, and Outlook and the PC were restarted.

Next, after having the system administration department grant administrative permission, I uninstalled the add-in for Outlook, and reinstalled it.

(5) However, the check box for the add-in did not appear, and restarting Outlook and the PC made no difference.

At the same time, I reinstalled add-in for Excel for Offic 365 and this I confirmed add-in works well.

It would be helpful to know what action to take next.

Best regards,

Kentaro