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Outlook Not Responding? What to Do

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Published By Jamie Kaler
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Approved By Rollins Duke
Published On November 28th, 2025
Reading Time 7 Minutes Reading
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Microsoft Outlook is a wide communication platform used by email clients for email communication. It is the basic problem that every user faces. It may get stuck while you try to load the profile, or it may also freeze. This can usually happen due to various issues like damaged data files, corrupted profiles, etc. In this, we will provide you with a guideline explaining all the common reasons due to which it happens and a few of the reliable solutions that will help you get Outlook working again.

Common Reasons Why Outlook Is Having Trouble Starting?

  1.  Damaged Outlook profile: When there is a change in settings that tell Outlook how to work that gets changed or damaged, then, in this case, Outlook usually does not open properly because it does not know how to load your email and various other information. In this case, there is a need to create a new profile; this will help in resolving the problem.
  2. Damaged files: Outlook usually keeps the emails and other data in special files like PST and OST. In a few cases, the files get damaged or broken; during that time, Outlook may freeze or stop working, or it may close when you open it.
  3. Huge mailbox size: If you have a large number of emails saved in your Outlook, then it might freeze when it starts or may slow down the program.
  4.  Old version: If the user is using an old version of Outlook, it may not work properly with new updates or features. This will create problems when you try to use Outlook.

Outlook Is Having Trouble Starting: How About Starting With Essentials?

When you see the headline saying “Outlook is having trouble starting,” it usually tells you that Outlook is having a problem opening. To solve this problem, we have basic features. To resolve this, we have two main methods; you can try any one of them. The manual method is useful, but it has several drawbacks, whereas the automated tool resolves your problem with the help of a reliable tool. Let us briefly learn about both methods.

A. Automated Method

The automated method uses a specific software tool to solve the problems with Outlook, like corrupted files or damaged files and damaged profiles. In this, there is no need to perform any kind of complicated steps. One of the most popular automated tools is MailsWare OST Converter, which helps in repairing the damaged Outlook OST files and then converts them into PST files that Outlook can open easily. We do have one popular automated tool named MailsWare OST Converter, which reduces all the problems related to startup.

Step-By-Step Guidelines for Using Pro Tool

  1. Download and open Recommended Software on your system.
    Open the software
  2. Click on  Convert Configured Outlook mailbox data then press on Next button.
    dual option to outlook not responding
  3.  After the scanning process is finished, then you will be able to see the content present inside the file. This includes emails, folders, contacts, and calendar events.
    select folder
  4.  Select PST in the form of output file format, then decide on a location where you want to save the converted files, and then click on convert to begin the process.
    select PST
  5. If the conversion process is done, then just start by opening Microsoft Outlook. After that, go to files, click on open and export, and then choose open Outlook data file.

Features of the Pro tool

  • Convert OST into various export options like Convert OST to CSV, PDF, MBOX, and many more.
  • Supports single or batch conversion of the OST file without facing any size limitations.
  • Maintained properties and metadata during the OST file conversion.
  • Support Modern Auto detect feature to easily locate OST file from default location.
  • Advanced filters to convert selective mailbox data by date, subject, or any specific keyword.

B. Manual Method

If you are seeing “Outlook is having trouble starting: How about starting with Essentials?”, it means that Outlook could not start properly. This can happen due to a damaged Outlook profile, or it may be due to a corrupted or outdated Outlook installation. For solving this problem, we have the manual method, which will help us fix the issues.
Step-by-Step Guidelines Of the Manual Method:

Method1: Outlook safe mode.

  1. Press Win+R and type Outlook.exe/safe.
    Outlook.exe/safe
  2. Open Safe Outlook.
    Launch safe Outlook

Method2: Disable add-ins one by one.

  1. Click on the file option present on the left-hand side, then select options, and then click on add-ins.
    Click on Add-ins
  2. At the bottom, you will see an add-in in front of Manage COM: click on Go.
    Click on Go
  3. Disable all suspicious add-ins and relaunch Outlook.
    Disable all faulty add-ins

Method3: Repair Microsoft Outlook installation.

  1. Press on Windows and then search and open Control Panel.
    Open Control Panel
  2. Go to Programs and Features, then in the search bar, search for Microsoft Office.
  3. Click on Microsoft Office, and click YES when it asks to change the application.
  4. Then Select Repair and click on Quick Repair.

Method4: Use ScanPST.exe to Repair Outlook Data Files.

  1. Locate ScanPST path: C:\Program Files\Microsoft Office\root\Office16\ScanPST.exe.
  2. Launch ScanPST and click on browse to select Outlook files.
    Click on browse icon
  3. Click on Repair button to successfully repair Outlook files.
    Tap on Repair button
Method5: Create a New Outlook Profile.
  1. Press Win+S and type Control Panel and open it.
    Open Control Panel
  2. Go to Mail, then click on Show Profiles.
    Click on Mail
  3. Click add and enter a name to create a new profile.
    Click on Add button
Limitations of the Manual Method:
  • Needs Technical Knowledge: This requires technical knowledge; the user must understand Outlook settings and should be familiar with Windows basics. It is not usually easy for the freshers.
  • Time-consuming process: Sometimes it becomes a lengthy process, because in this, the users need to perform different steps one by one, which is generally time-consuming; it requires a lot of time as well as patience.
  • Data Loss: This involves a higher risk of data loss if it is not performed properly. There are chances that you might lose your emails or any other important settings if you reset or inappropriately delete your Outlook profile.
  • No success guarantee: It is not fixed that after following the manual steps, the problem might be fixed, the problem might be, or it might not be fixed.
Frequently Asked Questions

Q1. Why is Outlook not responding or freezing?

A1. Outlook may freeze due to several reasons. The reasons can be a large size of the mailbox, an outdated version of the software, conflicts with antivirus software, and many more.

Q2. How is Outlook installation repaired?

A2. Go to Control Panel, then click on Programs, and then select Programs. Click Microsoft Office and then change; choose quick repair if needed.

Q3. Will I lose my emails if I create a new profile?

A3. No, your email would not be lost until and unless your data file is safe. Outlook will reload them again when you set up the account.

Conclusion

If your Outlook stops working, then you just need to follow a few easy steps, like trying to open Outlook by using safe mode, repairing your damaged profile, and updating the version of the Office installation. In case your problems are not fixed, then there is a need to create another profile, or you can just use the tool that will help you solve the problems. According to you, if the issues are minor, then you can use the manual methods to fix them, but still, if the problem is not solved, then skip this method and use a trusted tool like MailsWare OST Converter; it will save your time and will easily recover important emails quickly.

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