One of the best and most reliable tool is the OLM Converter for Mac to print Outlook for Mac to Gmail on Mac OS. It was especially designed to print Outlook for Mac to Gmail on Mac in bulk without any data loss. The Mac OLM to Gmail Tool has various incredible benefits such as file naming option, multiple saving options, destination location, batch option, and more. There is no requirement to install Mac Outlook or any type of email client application to run this program. It can easily print Outlook for Mac to Gmail on Mac including all emails, tasks, notes journals, contacts, and more items. This utility supports all the up-to-date and prior editions of Mac OS, i.e. 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, etc.