SUMMARY
***
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***


STEPS TO REPRODUCE
1. receive a meeting invitation from office365
2. view the email
3. 

OBSERVED RESULT
Mime component text/calendar is invisible. It does not show up as an attachment or anything. It is visible in squirrelmail.

EXPECTED RESULT
Meeting invitation should be visible somewhere

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: OpenSuse 15.2
(available in About System)
KDE Plasma Version: 5.18.6
KDE Frameworks Version: 5.71.0
Qt Version: 5.12.7

ADDITIONAL INFORMATION
The email contained sensitive information so I've reduced it to the relevant MIME structure:

<snip:other headers>
Content-Type: multipart/alternative;
	boundary="_000_BYAPR06MB48223D6662EE30E4E46BCAF5E99A9BYAPR06MB4822namp_"
MIME-Version: 1.0

--_000_BYAPR06MB48223D6662EE30E4E46BCAF5E99A9BYAPR06MB4822namp_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<snip:text content>

--_000_BYAPR06MB48223D6662EE30E4E46BCAF5E99A9BYAPR06MB4822namp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<snip:html content>

--_000_BYAPR06MB48223D6662EE30E4E46BCAF5E99A9BYAPR06MB4822namp_
Content-Type: text/calendar; charset="utf-8"; method=REQUEST
Content-Transfer-Encoding: base64

<snip:meeting invite>

--_000_BYAPR06MB48223D6662EE30E4E46BCAF5E99A9BYAPR06MB4822namp_--