Wondershare Recoverit

Hard Drive Recovery

  • Recovers deleted or lost files from hard drive effectively, safely and completely.
  • Supports data recovery from 500+ data loss scenarios, including computer crash, partition loss, accidental human error, etc.
  • Supports 1000+ file formats recovery with a high success rate and without any quality loss.
Free Download Free Download Free Download Learn More >
hard drive recovery

How to Fix "The Messaging Interface Has Returned An Unknown Error"

Wondershare Recoverit Authors

Jan 15, 2024 • Filed to: Recover Emails • Proven solutions

It is frequently observed Microsoft office pops up peculiar messages of error each time Personal Storage Table (PST) file is corrupted. The PST files might be exposed to damages largely because of corruption resulted from infection of viruses or even any errors in software. Furthermore, when these PST files exceed the 2 GB limit in MS Outlook 2002 or even earlier versions they become exposed to corruption.

This article discusses detailed steps about how to fix the "messaging interface has returned an unknown error" issues in your MS outlook and the practical and effective solutions explained apply to MS Outlook 2016,2013,2007 and 2010.

This "the messaging interface has returned an unknown error" problem usually occurs when the user of the MS Outlook tries deleting or adding a contact, accessing and reading a new mail, creating or deleting an item on a calendar, or even getting rid of an email. This unwanted situation is normally caused by:

The simplest solution when such errors pop up is to restart the MS Outlook, but then again this solution only works when the error is due to messaging interface problems. And thus if the error is due to there being corruption in the PST files, it becomes a severe case that needs special and detailed solutions.

Repair Your PST File with Outlook PST Repair Tool

Apart from using the Inbox Repair Tool to repair your PST file, you also can use the Outlook PST repair tool. Most Outlook PST repair tools help in repairing corrupted MS Outlook data (PST) files and also restoring messages even the ones already deleted. Some of these tools are the best for recovering PST data and folders or messages.

The Outlook PST repair tool is preferable to inbox repair tool because they do more than just fix the "messaging interface has returned an unknown error" problem (which is our main focus) in the MS Outlook but also performs other functions such as repairing damaged PST files; recovering deleted files, messages and even folders; repairing large sized PST files; saving repaired items to a whole new and healthy PST files; recovering properties of emails such as Bcc, Cc, date, from, to, etc; and supporting various versions of MS Outlook versions among other effective solutions.

How To Repair Corrupt PST File With Outlook Repair Tool

1. Stellar PST Repair Tool

The Outlook repair tool I highly recommend is Stellar PST Repair. It is a reliable, convenient, and the most widely used tools in repairing and fixing errors in the MS Outlook. It comes with vast functions and features that are very useful to its users.

This tool performs more than fixing the "messaging interface has returned an unknown error" problems.

outlook pst repair
  • Recovers all mailbox components within the files such as emails, attachments, contacts, calendar items, journals, notes, etc.
  • Recovers accidentally deleted Emails that were purged by mistake or lost due to unplanned system formatting
  • Allows saving recovered mails in EML, MSG, RTF, HTML, and PDF formats
  • Supports repair of encrypted & password protected PST files
  • Enables you to arrange scanned emails using various criteria such as "Date", "From", "To", "Subject", "Type", "Attachment", and "Importance"
  • Repairs corrupt Outlook file created in MS Outlook 2016, 2013, 2010, 2007, 2003, 2002 (XP), & 2000 and MS Office 2016, 2013, 2010 (64-bit version), 2007 & 2003;Supports Windows 10, 8, 7, Vista.

2. Steps to Repair Corrupt PST Files Using Outlook Repair Tool

The following step by step tutorials will help you fix the corrupt PST files but first, you need to download and install the program. After you have installed it, run it on your computer and keenly follow the steps.

Step 1 To begin the corrupt PST file repairing process, you need to click the "Select outlook file" or the "find outlook file" options on the program.

repair corrupt PST files step 1

Step 2 You then need to select all the corrupt PST files that need to be repaired and click "start" to begin the process of scanning the selected files.

repair corrupt PST files step 2

Step 3 On this step, the selected PST files have all been repaired and they just need to be saved. You, therefore, need to click on any item of your choice from the tree that appears on the left of the screen

repair corrupt PST files step 3

It is quite impossible to avoid or prevent corruption in MS Outlook, however, you can avoid troubles that these corruption cases. Due to complexity in fixing the "messaging interface has returned an unknown error" without the use of the PST repair tools, it is recommended that you get a trusted and reliable tool for purposes of efficiency in your MS Outlook activities.

Therefore, You need to get Stellar Phoenix Outlook Repair Tool as there are not so many software that can match what this repair tool can do. It has a remarkable long list of features and functions for your Outlook issues.

Download Windows Version
Recoverit author

Amy Dennis

staff Editor

Home > Resources > Recover Emails > How to Fix "The Messaging Interface Has Returned An Unknown Error"