1) As written in previous reply:
Only one member can use it (later) = member have to make own Logs.
That visible data is only information!
2) As I've written many times ... and also as above.
3) ... and not ready
After I'm ready ...
1) The code would make needed files in folder.
You'll move those files in folder.
Everyone should use OWN file from there (= not personal folder)!
>> You could already test Yourself that file ...
>> Rename it as Your ID-number eg 1234.xlsb and open it!
>> Try to use it as normal.
>> There are still missing features, which have to add before real use!