Hyperlinks to files & folders in mapped network drive are broken in Outlook (backslash automatically removed in UNC path)

We have noticed when creating a hyperlink in Outlook to some files and folders on a mapped network drive, the UNC file path that is automatically created in Outlook is modified with the removal of the last backslash in the file path in the Address box in the Hyperlink Edit window.  The end result is a "Cannot find file..." error when someone attempts to click the file path. (Please see attached screenshots with highlights)

Is this due to a file path length limit?  We only have this issue with files that are inside a number of folders.  Files or folders in the root directory or one or two folders in are usually okay.  In my provided example, it appears any UNC address with 6 or more backslashes do not work, as the 6th backslash is removed in the address.

What, if any fixes or workarounds exist for this issue?  Often employees like to email links to one another to network files.  As a current workaround, they copy and past the network mapped path into Windows Explorer to access the files.

Attached are some screenshots to better illustrate the issue.

Thank you.
Works.png
Does-not-work.png
Error.png
FvengAsked:
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Peter HutchisonSenior Network Systems SpecialistCommented:
I think the hash (#) character is being translated to mean ' treat everything to the right as the URL fragment (or query).'
So, avoid using it in unc paths if possible.
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FvengAuthor Commented:
That's it!  A quick test with and without the hash (#) character confirmed it.  Thank you, Peter!
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