In Outlook 2007, the maximum size of a Unicode ost-file has been limited to 20GB. In Outlook 2010, 2013, 2016, 2019 and Microsoft 365, this limit is set to 50GB. https://www.youtube.com/channel/UCLop2-XaRme45Pg9X7UmfOQ?sub_confirmation=1 Although you can increase…
