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I'm trying to view messages that result when tracing on Exchange Online however clicking "view message in explorer" always loads a blank page. In addition, picking to hunt for the message generates an error. The account I'm using is a global administrator. Any idea what I need to change to be able to view them? 
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Hi, I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.
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I get the exact same thing, an Answer would be awesome
Hi @SB Admin
You can try the following:
1) Clear cache in your browser:
https://support.google.com/accounts/answer/32050?hl=en&co=GENIE.Platform%3DDesktop
2) Open a ticket with Microsoft at https://admin.microsoft.com/ > Help & support
If this is helpful please accept answer.
Thanks for replying, however clearing the cache as well as trying on a different workstations didn't work. Despite the account I'm using being a member of the global administrator group, does it need to be a member of any other groups to view results or should it work with the global administrator without changing any other settings? Or does this require a special license such as Defender for Office 365 Plan 2, etc.? Thanks
Hi @SB Admin
You would have the necessary privileges with Global Administrator. I do not believe you require a special license to use the message trace, thus you should try opening a ticket with Microsoft via the link I provided.
Turns out it's a licensing issue since it works after signing up for a trial to Microsoft Defender for Office 365 (Plan 2).