"Outlook Unknown Error Code 0x8000ffff" Solved

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How to Fix Outlook Unknown Error 0x8000ffff Effortlessly?

Microsoft Outlook is the most popular email client among a large number of active users. It offers you impressive features and outstanding performance. But, like any other software application, it has some drawbacks. Being an Outlook user, you're likely to receive error messages if there's an issue in Microsoft Outlook client. One of the most common error messages is, "An unknown error occurred, error code: 0x8000ffff". You may encounter this error message while adding a data file in the Mail applet in Outlook 2016.


You're running Microsoft Outlook 2013 or 2016. You want to add new Outlook data file to your Outlook profile. You go to the Control Panel>Mail. On the Account Settings dialog box, you click the Data Files tab. Then, you click Add... to add a new Outlook data file. But when you click "Add", you receive this error message: An unknown error occurred, error code: 0x8000ffff.


How to resolve this error code 0x8000ffff?

It's very simple to resolve this error. To add the Outlook data file, you should follow these steps:

  • Launch Microsoft Outlook 2013 or 2016.
  • On the taskbar, click the File tab >Account Settings>Account Settings.
  • On the Account Settings dialog box, click the Data Files tab >Add…
  • Now add the Outlook data file, and then click OK.
  • On the Account Settings dialog box, click Close.

If still, you're receiving the error code, it means the Outlook data file you're trying to add is corrupt. You should use the Inbox Repair tool to scan the Outlook data file. The Inbox Repair tool aka scanpst.exe utility is a built-in repair tool in Microsoft Outlook client.It can successfully repair PST file which is corrupt due to any reason.After that, you can add PST file to your Outlook client without any problem. If the corruption is severe, the scanpst.exe utility may fail or not work. In such a situation, you should look forward to a professional solution.

Advanced PST Repair tool

There are many vendors in the market which provide a professional solution to repair PST file. SysInfoTools PST Repair tool is one of the best recovery solutions available in the market for Outlook users. It can repair PST file in an effortless way and restore maximum possible mailbox content from it. It creates a new Outlook data file which contains all the recovered mailbox content. You can save this new file and add it to your Outlook profile with no problem.

Also Read - Resolved - Outlook 2016 Error 0x800ccc0f

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