you can try this software for back up your G-suite account, I am using this software from last five day ago before this software I do not have an idea to back up so I started to search on google after analyzed many utilities, then finally I got this software G-suite backup which suite my requirements.this tool has a simple and easy interface to use and I got the satisfied result form this software. That's the way I suggest you try this software for back up your G-suite account if want to use this or move to other utility go ahead choose which suite you best. I am providing the link below the post visit here for more detail: Google Apps Backup Software for Google Emails to Outlook
You can backup your Google Apps emails easily with the help of third-party software. There is a lot of software are available in the market but most of them are not secure. From my personal experience of using the backup tool, I like to recommend ToolsGround Email Backup Expert software which helps you. This will help you to secure your G Suite data, especially during the migration process.
More Info;- Email Backup Expert - Advanced Wizard to Backup Cloud Emails Online
For taking the backup of Google Apps account data in Mac local drive, here is another option that will surely work in Mac OS and download the data from Google Apps account to local disk in a different file format like PST, EML, MBOX, etc. The Gsuite Backup for Mac application is very good and works according to user requirement & safely take down the data in a few clicks. User-interface of this app is simple anyone can operate it.
Here is the solution to your problems. You can try the Gsuite Backup for your Google Apps. The Google apps Backup can store the entire data of PST, EML, MSG, MBOX and EMLX. This software is fast in conversion of your data. Always provide 100% accuracy in data migrating.
Visit here:- https://www.datavare.com/software/google-apps-backup-expert.html