Here is the solution to your problem. You can try the Gmail backup tool for getting backup of all of your data without any error. Gmail Backup tool is designed to work on all Windows Operating systems and is suitable for all its versions. Both windows 32 and 64 bit. The Gmail Backup is the light in weight that can easy to install and never make your computer slow. The software can easily provide a database of unlimited and big size files at the same time, without any data loss and without making duplicate files.
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You can backup your Gmail account using manual and professional methods. The manual method is time-consuming and has a high risk of data loss. Use CloudMigration Gmail Backup Tool to backup your entire Gmail account. With the help of this tool, users can save Gmail emails, Calendars, Contacts, Photos, and Drive to various file formats. It can create a backup of the mailbox automatically on a regular frequency. Using this utility, you can also transfer Gmail emails to another Gmail account and other email providers. It can keep your data secure throughout the process.