we are on similar situation,, but must be a bug,, I have the the last version on my computer and Isee the menu, and other cooworker don't see the menu... If I solve the problem I will post here.. As far I see is complext to solve for the new outlook and microsoft don't get support for calc dev and other software.
root@susetest1:/tmp/1/1/1# ls -al total 7912 drwxr-xr-x 2 root root 4096 Jul 13 00:37...
7Zip can't add files to Zip or 7z if are created for other users "Access is denied"