Gmail having a high level security policy, to make more secure it uses many encryptions. That is why, if you are using any third party tool, Gmail does not allow it directly. To access this tool, User needs to make some change in Gmail setting. Then you can access Gmail features in that tool.
To access Gmail in Our Gmail Backup software , you have to enable Less Secure Apps option in your Gmail Account. Follow these steps to enable this feature.
Step 1. Login your Gmail Account at https://accounts.google.com/ .
After Login Click on Security.
Step 2. On the following page, scroll to the bottom, and under the Less Secure Apps heading. Now click on Turn on Access. Typically, it is the option at the very bottom of the page.
Note: IMAP setting is usually enabled by it's default but in some cases it might be disabled. In order to access the feature of software, it is highly recommended that IMAP setting should be enabled. Kindly follow the steps below to enable IMAP Setting;
Step 1. Login to your Gmail account and click the gear icon designated to the right side of window.
Step 2. Click 'Setting' from menu.
Step 3. Click "Forward and POP/IMAP" tab showing somewhere in the middle of the screen.
Step 4. Move to IMAP Access setting & enable IMAP if it is disable on you Gmail or G Suite account.