What Triggers the Error That Microsoft Outlook Is No Longer Operational? How to Resolve the Issue of Outlook Not Functioning? This article from MiniTool provides reliable solutions. Moreover, you can explore more Outlook problems and their fixes on the MiniTool website.

Why Does the 'Microsoft Outlook Is No Longer Operational' Error Appear?

Outlook is a widely used tool for sending and receiving emails. However, while using it, some users have encountered the error stating that Microsoft Outlook is no longer operational.

What might cause this error? Generally, it could be due to several factors, including:

• Faulty add-ins.
• Missing or corrupted DLL files.
• Incorrect Outlook settings.
• Damaged or corrupted Outlook data file.
• Corrupted or damaged Outlook profile.
• Damaged Outlook installation.
• Outdated Windows.

Nevertheless, resolving the Outlook not functioning issue is crucial. Therefore, in the subsequent section, we will demonstrate how to address the error of Microsoft Outlook being non-operational in 2016 on Windows 10.

Resolution – Microsoft Outlook Is No Longer Operational

In this section, we will present the solutions.

Method 1: Remove Add-Ins in Safe Mode

To fix the error of Outlook ceasing operation, you can opt to eliminate add-ins in Safe Mode.

Here is the step-by-step guide.

1. Press the Windows key and R key simultaneously to open the Run dialog.
2. Input Outlook.exe / safe into the box and click OK to proceed.
3. Subsequently, Outlook will launch in Safe Mode.
4. Then click File > Options > Outlook Options > Add-ins > Go.
5. You will observe a list of add-ins.
6. Uninstall the unnecessary add-ins and relaunch Outlook.

After completing all steps, verify if the issue of Microsoft Outlook being non-operational has been resolved.

Method 2: Review Event Viewer

To resolve the problem of Microsoft Outlook being non-operational, you can examine the Event Viewer.

Here is the step-by-step guide.

1. Enter Event Viewer in the search bar of Windows, select the most relevant option, and launch it.

2. In the resultant window, click Application on the left pane.

3. Then locate Outlook and Windows Error Reporting in the Source column of the central pane.

4. Subsequently, inspect the associated errors.

5. If you can pinpoint the error, proceed to rectify it. If you cannot determine the cause of the error, consider alternative solutions.

Method 3: Establish a New Outlook Profile

To tackle the error of Microsoft Outlook being non-operational, you can attempt creating a fresh Outlook profile.

Here is the step-by-step guide.

1. Open Control Panel.
2. Select Mail.
3. In the ensuing window, click Show Profiles….
4. Then press the Add button and assign a distinct name to it.
5. Incorporate the email account.
6. Next, set the newly created profile as the default profile.

Upon finishing all steps, restart your Outlook and assess whether the issue of Microsoft Outlook being non-operational has been addressed.

Method 4: Restore MS Office Installation

If the MS Office installation is compromised or files are absent due to malware or virus infiltration, system failure, or disk errors, it can result in Outlook halting operations. In such cases, you can attempt restoring the MS Office installation.

Here is the step-by-step guide.

1. Open Control Panel.
2. Choose Uninstall a Program under the Programs section.
3. Then pick Microsoft Office and click Change.
4. In the resulting window, select Quick Repair and press Repair.
5. Await the completion of the process.

Following the conclusion of all steps, relaunch Outlook and evaluate if the Outlook not functioning issue has been resolved.

Method 5: Upgrade Windows

As previously stated, the error of Microsoft Outlook being non-operational in 2016 on Windows 10 might stem from an outdated Windows version. Thus, to remedy this error, you can try upgrading Windows and then verify if Outlook functions correctly.

Outlook Fails to Launch in Windows 10? Try These Solutions

To conclude, this article has outlined five methods to address the issue of Microsoft Outlook being non-operational. If you encounter the same error, give these solutions a try. If you possess any superior approaches to resolve this problem, share them in the comment section.

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