Thanks for sharing your experience.
We made some changes to the outlook add-in and released a new version the last week.
More changes needed to be done here. At the same time, we are looking into better ways to handle OST e-mail attachments better. This will take a while as it is very difficult to reproduce these things internally. We have a few ideas and will try them out in the next month. I expect a new update with more changes will come somewhere in March.
From a security standpoint, malware in Outlook which is detected and cannot be resolved does not pose a threat to the system as it is isolated in the Outlook database file. Even if someone will try to run it the Real-time protection will stop it, as it is already known.
It would be good if you could send us via support ticket the Anti-malware logfiles and the logs from the other solution you used. We could compare and see what went wrong and why we could not remove certain threats form Outlook.
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