Step 1: Download and install the application on your local PC, then launch it and click the Get Demo button to use the free trial edition of the software. If you have already purchased the software, you can directly activate the full version.
Step 2: The application automatically launch after your selection. Now go to the Browse mailbox. You will see two options to add Thunderbird mailboxes (Auto Load and Browse). Click the Auto Load button to automatically detect Thunderbird profiles/folders, then click the Next button.
Note: Browse button is also helpful to find Thunderbird profile/folder manually.
Step 3: All loaded Thunderbird account files will be displayed in the right-side pane. You can click on a specific folder to load emails and preview each selected email. If you do not want to view the preview, click the Export button.
Step 4: Now Choose the Office export option: Primary or In-place Archive. Naming a folder is optional choice.
Check/uncheck the incremental migration and Save the log file location then hit on Next button.
Step 5: Enter the correct Office 365 credentials: User ID, Tenant ID, Client ID, and Secret Value, then click Sign In.
Step 6: The migration process will start within a few minutes. Once it is completed, a confirmation window will be displayed.
