* compatibility with external docs (incoming) and external systems (outgoing)
* the whole Office365 suite provides sharing out of the box
* preexisting knowledge of the Office suite
* Excel is just better
It looks like the most unfair advantage of Office is that it is already everywhere.
For the last year or so I have switched completely to LO which has been a little rough but not difficult.
Calc has native =regex which is a killer feature
https://help.libreoffice.org/7.2/en-US/text/sbasic/python/ma...
https://wiki.documentfoundation.org/Macros/Python_Guide
The macro team has really been killing it on the docs front as well: https://blog.documentfoundation.org/blog/2021/04/28/libreoff...
LibreOffice 7.2 now offers the new ScriptForge library for Python: https://help.libreoffice.org/7.2/en-US/text/sbasic/shared/03...
https://wiki.documentfoundation.org/ReleaseNotes/7.2#The_Scr...