Outlook 365 default file location for OST files

[Systec10]

Hi, I am trying to change default file location for OST file in Outlook 365, but no success. I also tried with Regeidt.

Please advise if there is any other way to do it . Thanks

[#2]

Have you tried this Regedit fix?

https://www.isumsoft.com/it/change-data-file-pst-ost-location-in-outlook-2016/

[#3]

Yes , I tried this no success. it is Gmail account I setup as IMAP.