Data Recovery Blog – KDR Tools

Most Effective Solution to Deal With “no valid MBOX files found” Error

Akash Tiwari
Most Effective Solution to Deal with no valid mbox files found Error

Each business has different software needs as per their working domain and expertise. One software required in each business is Email software that can help them communicate with their client’s smoothies. Some companies purchase a professional email client, and some businesses use freeware. All the email clients have different user-interface and data file formats. One crucial file format is MBOX, available in more than 30 types of email software and uses a single plain text file to save the email message.

The most common MBOX file using clients are Thunderbird, AppleMail, Entourage, Mulberry, Eudora, SeaMonkey, Pocomail, Spicebird, Netscape, Gnu Mail, Sylpheed, ClawsMail, OperaMail, etc. But as we all know, the world is filled lots of uncertainties, there are situations resulting in the corruption of MBOX files. In fact, every time you face any MBOX file corruption situation, you get encountered with an error message.

To make you understand, now let us consider while working on Apple Mail a situation where you archived old mailboxes as “MBOX” files, and made an attempt to copy it to an external drive. By availing the “Import” option in the file menu, you tried importing one of the MBOX archives into mail. You tried to import and the folder within which it resides, but unexpectedly every time you get encountered with a dialog that says “no valid MBOX files found“.

Reasons Behind the “No valid MBOX files found” Error

Many Apple Mail users often face this error while opening MBOX files. For instance, consider a situation where while working on Apple Mail, you archived old mailboxes as MBOX files and tried to copy it to an external drive. By using the Import option in the File menu, you tried opening one of the MBOX archives into the mailbox. But unexpectedly every time you get encountered with a dialog that says, “No Valid MBOX files Found.” Now, we will discuss some of the root causes that lead to such situations.

Manual Method to Resolve “No valid MBOX Files were Found” Error

The most obvious question, you have is – “How do I get the MBOX to open?” We will take you through different ways to open MBOX files.

These processes are explained in detail here:

MBOX to PST – How the Tool Works?

Download and install the software on your computer and follow these simple steps to convert your MBOX files in PST format.

  1. Launch the MBOX to PST Converter on your system.
  2. Select the mode – Select Folder or Select Files(s). Then, click on the Browse button if you have selected to import the entire folder. Otherwise, click on the ‘+’ sign to add files.
  3. Add the files and click Finish.
  4. When the MBOX file content is displayed for preview, select the file you want to convert and click on the PST file icon from the Savings Options.
  5. Select the output type as PST file (MS Outlook) to save the recovered file and click Next.
  6. Select the desired filters to save the file. This step is optional; if you want the setting to remain unaltered, click Next anyway.
  7. If your selected file is large, you can choose to split the file into two separate PST’s. If not, let the settings remain unaltered. Moreover, you can add a prefix to the file name of your recovered PST. Click Next.
  8. Click Browse to provide a destination path to save the recovered file. Then, click Finish.
  9. The converted files get saved at the specified location. Click OK to finish the conversion process.

Now you can import this PST file in Outlook to view its content.

The remarkable aspect about the software is its Filter option functionality. The integrated filter option allows its user to filter the MBOX file(s) for conversion into PST file based on various factors like “To, From, Subject and Date”. The tool is also integrated with the Attachments checkbox, which further permits selective MBOX files conversion. While you use this tool, it doesn’t matter whether you require dealing with multiple MBOX files. The tool allows you to manage them simultaneously. It also has got an Add file button that enables its user to add single or multiple MBOX files from the disk location without facing any hassle. Apart from that, its availability in the free trial version also proves handy for those who want to evaluate its functionalities before making any decision to buy the complete licensed version.

Conclusion

“No valid MBOX files found,” is a frequent error faced by many Apple Mail users while trying to open MBOX files. If they face the issue, even while trying to import the MBOX file into Apple Mail, they can try to open the MBOX file in Thunderbird (Mac or Windows OS). Alternately, they can try a free MBOX viewer or convert the MBOX file to PST format to open it in the Windows environment.