Launch Mac MSG Converter as an administrator on your macOS.
The software shows you two options: Single File or Multiple Files/Folder. Select either one and click Next.
In the new window, choose either Select File or Select Folder as you want to add the MSG files.
Browse to add MSG Files from the system. Click Open to upload them and hit Next.
Now, preview the files and folders from the tree structure by double-clicking them. Select to convert and click Next.
Afterward, choose PDF from the drop-down list of File Formats to convert MSG files.
Choose this option to exclude duplicate emails on the basis of To, From, Subject, CC, and Body.
Furthermore, choose any one of the below-given options for the new file:
Choose this option to specify a date range for specific mail migration for a particular period.
This filter allows to selection of criteria for the name of the resultant folder as required.
Use this option to provide a unique name to the resultant folder for quick access.
Click Path to Save to provide a location for the new file to store the data.
Lastly, click Convert to initiate the MSG to PDF conversion on Mac.
Now once the process completes, click OK and hit Download Report to save the conversion report.
Follow steps 1 to 5 as before in Conversion to File Formats and then continue with the steps given below.
Now, select the option Save in Email Clients and choose Gmail from the drop-down list.
Click Modern Authentication, enter your Gmail ID, and click Sign In for authentication.
You will be redirected to the browser. Here, complete the authentication process and you will receive a message as shown below. Close it and go back to the tool.
Use the Remove Duplicate option to exclude similar emails based on To, From, Subject, CC, and Body.
The software provides you with two options for attachments. However, you can only choose one at a time.
For specific migration of MSG data based on two date ranges, use the Date Filter option.
Use the Custom Folder Name option to give a new name to the resultant folder.
At last, click Convert to start the MSG to Gmail migration process.
Once it completes, click OK and hit Download Report to get a detailed overview of the conversion. Also, click Convert Again to restart the process.