Before delving deeply into the subject, let's Examine the Primary user Concern

"On several computers, I have utilized Mozilla Thunderbird. I am so accustomed to it that if something were to happen to my Thunderbird email, my entire world would be in complete darkness. The menu is the only thing I feel at ease with. I've set up a lot of Thunderbird email profiles in the past month. However, the message "Current Operation on Inbox did not succeed" keeps appearing. Any leads would be much appreciated!

"I've spent the last three years working on Thunderbird. Everything went smoothly earlier. Despite having set all the necessary criteria, I now believe it is not worth it. Because it keeps displaying an error. The current Inbox operation was unsuccessful. Along with the Hotmail server, I had an old mail account set up in Hotmail, however, it does not display the INBOX folder. Sadly, I am unable to receive emails, but I can send them. All of my folders are gone. Is there anyone who can save me?

Therefore, you can convert the Thunderbird MBOX files to PST and then access them on any platform if you wish to fix the entire problem. Altering the mail client and then having a viewer open it is an additional strategy. However, this strategy is irrelevant because it is not a suitable way to fix the mistake. Let's take a quick look at the correct solution, which is explained below.

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Manual Ways to Fix the Thunderbird Error: "The Current Operation on Inbox Did Not Succeed"

#1 Fix the Thunderbird Mailbox Folder

• If Thunderbird permits it, repair the folder.
• To fix the error, right-click on the folder that is causing it.
• Click Repair folder after selecting Properties.
• Restart Thunderbird after finishing.
  

#2 Get rid of MSF files

• Navigate to Tools > Account Settings.
• Select Server Configuration.
• Open it on your computer after copying the path from the local directory.
• Shut down Thunderbird.
• Search for files that end in.msf.
• Get rid of them all.
• Check to see if the Thunderbird error: The current operation on Inbox did not succeed has been fixed after starting Thunderbird.

#3 Regarding Yahoo Accounts

Do the following if you are receiving the Thunderbird error along with the "[CLIENTBUG] SELECT command is not valid in this state" response -

• Navigate to Server Settings after opening Account Settings.
• Get rid of @Yahoo.com. xx is the username's component.
• Restart Thunderbird and ignore the popup that shows up.

#4 Incompatible Accessories

• Try disabling each add-on separately to see if that fixes the issue.
• Remove the add-on right away, whatever fixes the issue.

#5 Reconfigure accounts in Thunderbird

To fix the current action on Sent Items, Trash did not succeed, use the procedures listed below to reconfigure the Thunderbird version -

- Create a complete profile in Thunderbird.
- Enter your login information, such as your email address and password.
- Try sending emails, then make sure your sent box and other folders are operating correctly.

#6: Reinstall Thunderbird

If it doesn't work, uninstall and reinstall Thunderbird. Accounts will also need to be reconfigured. However, this should eliminate all of the mistakes.

Try finding anything that is relevant to you. All set with the manual approaches to resolve the current action on Inbox, Drafts did not succeed.

Other than the ones described in this page, there aren't many ways to fix this problem. There is no alternative except to switch to alternative email applications, such Outlook, if the issue continues regardless.

Additional Way to Fix Thunderbird Error

The Thunderbird Error is not fixed by the following section: The current Inbox operation was unsuccessful. It only offers an automated way to assist a user in moving their emails to Microsoft Outlook. If you're tired of Thunderbird's issues and want to switch to Outlook, have a look at the applications listed below.

The WholeClear Thunderbird Converter utility is for bulk conversion of Thunderbird files to PST  files has several features. Because of this, switching to the Outlook email client is a wonder among all the other options.

Therefore - Review the Features Described in the Section below:

• The application moves emails from specified Thunderbird files or directories.
  gives a preview of the emails and attachments that have been transformed.
• Carry out the files' selective migration.
• Renders with the ability to easily create emails in HTML
• Save exported files in several file types, such as PDF, PST, EML, MSG, and NSF.

The Last Point to Remember!

The accomplishment of an objective, such as customer happiness, is the ultimate result in the majority of cases. There are numerous methods for resolving the Thunderbird problem in the current situation. The current inbox operation was unsuccessful. Errors are a hindrance to workflow maintenance. It reduces the users' productivity. One can fix this mistake and get back into the Thunderbird mailbox by employing the techniques mentioned.