Want to import MBOX Files into a Gmail account by getting complete knowledge on how to perform this process more professionally? Then this article will completely help you to manually import MBOX Files to your Gmail account within a limited time. Here, We described the best method that can easily convert your multiple MBOX files in your Gmail account. With SysKare MBOX Converter Tool, With this software, you can use the below-mentioned methods to perform this process.
Overview
The Gmail service does not offer native, seamless backups by Google, however, there is a method for exporting an offline copy of your Gmail data to a local file. Through the Download your data feature featured in the Google account settings, Gmail users can export all Google data. The "Download your data" feature in Gmail downloads the file in the MBOX format. The Google account settings do not directly allow for the import of MBOX files into Gmail, however, there is a workaround.
Of course, you may back up your Gmail data in the appropriate manner so that you can import your MBOX file in addition to having a copy of your entire Google account's data. However, you can retrieve the emails stored in the MBOX backup and import MBOX to Gmail using freely available third-party applications. Let's examine the process for importing MBOX to Gmail and learn how to export Gmail email data, export MBOX, and then import MBOX to Gmail.
Before beginning the process let’s first discuss the process of how to backup Gmail emails in MBOX file format.
MBOX Export from Gmail
You may access the steps to export your Google account's MBOX archive of Gmail data from the Google account web interface's settings section. Follow the instructions below to access the administrative portal where you can download your Google account data:
1. Access your Google account (Login to Gmail, etc)
2. Visit https://myaccount.google.com after logging in.
3. Select Data & Privacy from the menu.
4. To get your data, click Download Your Data. 
5. If you only want the information related to your Gmail account, as described above, click Deselect all at the top of the screen before scrolling down to Mail and checking the box.
6. To export Gmail, there is just one MBOX format that is supported by default. Also, take note that All Mail data included is selected by default. You can adjust the exported folders by clicking this box (Drafts, Inbox, Junk E-mail, sent, etc)\
7. Select Next Step at the bottom of the page after choosing Mail and the folders you want to export.
8. You will be directed to the options for building the archive after clicking the Next Step button. The file type and archive size are two things to be aware of. The MBOX archive file will by default be produced by the process inside an a.zip file that can be downloaded. The maximum archive size is 2 GB. At 2 GB, the archive files are simply divided into numerous files.
9. The development of the Archive starts after you confirm your selections here. You may notice a warning that creating massive amounts of data can take hours or even days.
10. When the archive is finished, you will be able to download it through the web interface.
11. The MBOX file's .zip archive will be downloaded when you click the Download link (s). You will have a folder structure like the following after downloading and extracting:
Install ImportExportTools and Mozilla Thunderbird
1. You need to download Mozilla Thunderbird and the ImportExportTools add-on to handle the MBOX file after it has been produced, downloaded, and extracted. This will enable extracting the MBOX to a local folder or importing it to Gmail. Downloading Mozilla Thunderbird is free.
2. Install the ImportExportTools add-on by going to Tools > Add-Ons in Thunderbird after it has been set up.
"***Short Tip*** To display the Tools menu if you can't see it, press the ALT key on your keyboard. Search for the "ImportExportTools" add-on under Extensions once you are in the Add-Ons panel. To install it in Thunderbird, click."
3. Once complete, the Add-On installation will restart Thunderbird. Create a new folder in your Local Folders node once Thunderbird restarts. A folder named "TestMboxImport" has been created below. Click on ImportExportTools > Import mbox file from the context menu now.
4. A dialogue box for Files Mbox import appears. Here, you select the important route. The first option, Import directly one or more mbox files, works for importing directly into a folder that we have already created. There are plenty of further choices.
5. There are several other options available here that can be used to manage the import of MBOX files.
6. Choose it by navigating to the directory where you extracted the unzipped MBOX file that you downloaded. After selecting the downloaded and extracted MBOX file, you will notice the Gmail emails downloaded in your newly created folder.
Professional Method to Import Multiple MBOX Files to Thunderbird
As we mentioned above all the available manual methods to import MBOX files into Gmail by using Thunderbird as well. But to perform all the above procedures, the user requires plenty of time and patience to complete this lengthy process. Also, there is no guarantee of your data during the process, If you are not a technical person this method can also lead you to data loss.
But, there is no need to worry about, it because, there is an alternative method available that effortlessly imports multiple MBOX files into a Gmail account.
End Thoughts
You can import MBOX files to Gmail or even another account to which you have access using the same procedure. You would download the MBOX file from the source account and then link Thunderbird to the new account you want to import MBOX files back to migrate or move data from one account to another.
Your data will effectively be moved/migrated if you import the MBOX file to a folder located in your Gmail account! Also, you can use the above-mentioned alternative MBOX Converter Tool to import bulk Mailbox files to your Gmail account within a limited time.
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