How to Fix Outlook Won’t Open In Windows 10?

If you’re having trouble getting Outlook to open on your Windows 10 computer, don’t worry. There are a few simple things you can try to get it up and running again. In this article, we’ll walk you through some steps to try if Outlook won’t open on your Windows 10 computer.

How to fix Outlook if it won’t open in Windows 10

If you’re having trouble getting Outlook to open on your Windows 10 computer, there are a few things you can try to fix the issue. First, make sure that your computer meets the system requirements for Outlook. Then, try opening Outlook in Safe Mode, which will disable any add-ins that could be causing the problem. If that doesn’t work, you can try resetting Outlook to its default settings. Finally, if none of these solutions work, you may need to reinstall Outlook.

1 Start Outlook 2016 in Safe Mode and Disable Add-ons

Assuming that you are using Microsoft Outlook 2016, there are a few things that you can try if you find that Outlook won’t open in Windows 10. Firstly, you can try starting Outlook in Safe Mode. To do this, simply press and hold the CTRL key while you click on the Outlook shortcut. This will bring up a dialog box asking if you want to start Outlook in Safe Mode. Simply click on the Yes button and Outlook should start in Safe Mode.

If Outlook starts in Safe Mode, then the problem is most likely due to an add-in that is causing issues. To disable add-ins, simply go to the File menu and click on Options. This will bring up the Outlook Options dialog box. Click on the Add-ins tab and then click on the Go button. This will bring up the Manage COM Add-ins dialog box. Simply uncheck the box next to the add-in that you want to disable and then click on the OK button.

If Outlook still won’t open, then the next thing to try is to repair your Outlook profile. To do this, simply go to the Control Panel and click on Mail. This will bring up the Mail Setup dialog box. Click on the Show Profiles button and this will bring up the Outlook Profile Manager. Simply select the profile that you want to repair and click on the Remove button. You will then be prompted to create a new profile. Simply follow the prompts and once the profile has been created, try opening Outlook again.

2 Create a new profile

If Outlook still won’t open, you can create a new profile and see if that fixes the problem. To do this, go to the Control Panel and then click on Mail.

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In the Mail setup window, click on Show Profiles. This will bring up a list of all the profiles currently on your computer.

Click on Add and then enter a name for the new profile. Once you’ve done this, click on OK.

Now you’ll need to add your account information to the new profile. To do this, click on the new profile and then click on Properties.

Enter your name, email address, and password. Once you’ve entered this information, click on OK.

Now try opening Outlook. If it still doesn’t work, you can try repeating these steps with a different profile name.

3 Check Dialog Boxes

If you’re still having trouble opening Outlook, try checking your dialog boxes. Dialog boxes are small windows that pop up to request information from you or give you messages. In Outlook, there are several different types of dialog boxes, including message boxes, input boxes, and warning boxes. If a dialog box is preventing Outlook from opening, you may be able to close it by clicking the “X” in the top-right corner. If that doesn’t work, try opening the dialog box from the Outlook menu.

5 Repair Outlook Data File

When Outlook won’t open in Windows 10, there may be a problem with your Outlook data file. If your Outlook data file is corrupted, you may be able to fix it by using the Inbox Repair Tool.

To use the Inbox Repair Tool, follow these steps:

1. Close Outlook.

2. Go to the location of your Outlook data file. The default location is C:\Users\username\AppData\Local\Microsoft\Outlook.

3. Double-click Scanpst.exe to run the Inbox Repair Tool.

4. Click Browse to select your Outlook data file.

5. Click Start.

6. When the scan is complete, click Repair to repair your Outlook data file.

6 Run Resentavpane Command if Outlook 2010 is giving issues

If you are using Outlook 2010 and it is giving you issues, you can try running the Resentavpane command. This command will reset the Outlook pane layout to its default state. To do this, simply follow these steps:

1. Close Outlook 2010 if it is open.
2. Press the Windows key + R on your keyboard to open the Run dialog box.
3. Type the following command in the Run dialog box and press Enter:

“C:\Program Files\Microsoft Office\Office14\ResentAvpane.exe”

4. Open Outlook 2010.

7 Use Microsoft Support and Recovery Assistant

If you can’t open Microsoft Outlook, you can try to repair your Outlook data files. To do this, you can use the Microsoft Support and Recovery Assistant tool. This tool can automatically fix some common problems with Outlook, such as connectivity issues, corrupt files, and account setup problems.

To use the Microsoft Support and Recovery Assistant, visit the following Microsoft website:

https://aka.ms/saRAhelp

Click the Download button, and then follow the instructions that appear.

8 Disable Compatibility Mode

If you’re using an older version of Outlook, you might need to disable Compatibility Mode in order for it to open properly. To do this, right-click on the Outlook shortcut and select Properties. Then, under the Compatibility tab, uncheck the box next to “Run this program in Compatibility Mode for” and click OK.

9 Run System File Checker Command

If you are facing the issue of outlook not opening in Windows 10, then there is a high chance that some of your system files might be corrupt. In order to fix this issue, you can run the System File Checker command. This command will scan your system for any corrupt files and replace them with healthy ones.

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To run the System File Checker command, follow the steps given below:

1. Press the Windows key + X on your keyboard to open the Power User menu.

2. Click on Command Prompt (Admin) from the menu.

3. In the Command Prompt window, type the following command and press Enter:

sfc /scannow

4. The scanning process might take some time to complete. Once it is finished, restart your computer and check if the issue has been resolved.

10 Close Outlook Properly

Close Outlook by going to File > Exit. If you have any email messages open, you will be prompted to save them. Once you click “Exit,” Outlook will close.

It’s important to close Outlook properly in order to avoid any data loss or corruption.

11 Delete Outlook App Data Folder

If Outlook still doesn’t open after you’ve uninstalled and reinstalled it, you may have to delete the Outlook app data folder. Doing this will delete your Outlook settings, so make sure you back up your data first.

To delete the Outlook app data folder:

1) Close Outlook if it’s open.

2) Press the Windows key + R on your keyboard to open the Run dialog box.

3) Type %APPDATA%\Microsoft\Outlook and press Enter.

4) Delete the Outlook folder.

5) Restart your computer.

6) Open Outlook.

12 Temporarily disable or uninstall VPN software

If you are using a VPN software and you are facing the issue that Outlook won’t open in Windows 10, then you can try to temporarily disable or uninstall the VPN software. This is because sometimes the VPN software can conflict with Outlook and cause this issue.

To temporarily disable the VPN software, you can right-click on the VPN icon in the system tray and select “Disable”. Alternatively, you can go to the VPN software’s settings and disable it from there.

If you want to uninstall the VPN software, you can go to the “Control Panel > Programs and Features” and uninstall it from there.

13 Check if you have permission to access PST and repair Outlook PST Files

If you’re having trouble opening Outlook and you’ve checked that your computer meets the minimum system requirements, then it’s possible that your PST file is corrupt. To fix a corrupt PST file, you can either use Microsoft’s Inbox Repair Tool or a third-party PST repair tool.

If you’re using Microsoft Outlook 2010 or later, then you can use the Inbox Repair Tool to scan and repair your PST file. To do this, go to the File menu and click on Account Settings. Under Account Settings, click on the Data Files tab and then click on the PST file that you want to repair. Once you’ve selected the file, click on the Start button.

The Inbox Repair Tool will now scan your PST file for errors. Once the scan is complete, you’ll be given the option to repair the file. Click on the Repair button and the tool will start repairing your PST file.

If the Inbox Repair Tool wasn’t able to fix your PST file, then you can try using a third-party PST repair tool. There are many different PST repair tools available, so you’ll need to choose one that you feel comfortable using. Once you’ve downloaded and installed the tool, follow the instructions on how to use it to repair your PST file.

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14 Delete registry keys

1. First, close Outlook and then press the Windows key + R on your keyboard to open the Run dialog box.

2. In the Run dialog box, type regedit and then press Enter to open the Registry Editor.

3. In the Registry Editor, navigate to the following key:

HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles

4. In the Profiles key, you should see a list of subkeys that correspond to the various Outlook profiles that you have.

5. For each Outlook profile subkey, delete the following keys:

a. Account

b. Accounts

c. Cached Rules

d. Cached Rules Table

e. Cached Streams

f. EAS Account

g. EAS Device ID

h. EAS Provision Doc

i. EAS Provision Request

j. EAS Sync Key

k. Exchange

l. Extended MAPI

m. ExchangeSyncProvider

n. Imap

o. MAPIFolder

p. Monsync

q. Network

r. Nntp

s. Pop

t. Postoffice

u. Rss

v. Streams

w. Tasks

x. WebDAV

6. After you have deleted all of the Outlook profile keys, close the Registry Editor and then restart your computer.

7. When your computer has restarted, open Outlook and see if the issue has been resolved.

15 Try alternative email client

If you’re still having trouble getting Outlook to open, you may want to try an alternative email client. Some popular email clients include Microsoft Outlook, Mozilla Thunderbird, and Apple Mail. Each email client has its own set of features and options, so you’ll want to choose one that best suits your needs. If you’re not sure which email client to choose, you can find a comparison of the most popular email clients here.

Steps to Fix Outlook Not Opening in Mac

1. If Outlook is not opening on your Mac, the first thing you should do is check for updates. To do this, open the App Store and click on the Updates tab. If there is an update available for Outlook, click the Update button to install it.

2. If updating Outlook doesn’t fix the problem, try restarting your computer. Sometimes, a simple restart can fix glitches that are preventing an application from opening.

3. If Outlook still won’t open, try uninstalling and then reinstalling the application. To do this, open the App Store and search for Microsoft Outlook. Click the Free button to download and install the application.

4. If you’re still having trouble, you can try resetting Outlook’s preferences. To do this, open the Outlook application and go to the Preferences menu. Under the General tab, click the Reset button. This will reset all of Outlook’s preferences to their default settings.

5. If none of the above steps work, you can try contacting Microsoft support for help.

How to Fix Outlook Won’t Open In Windows 10?

Conclusion

1. Ensure that your computer meets the system requirements for Outlook
2. Check if Outlook is up-to-date
3. Run Office Diagnostics
4. Create a new Outlook profile
5. Set Outlook to run as administrator
6. Disable your third-party add-ins
7. Repair your Office programs
8. Reset Outlook to its default settings
9. Reinstall Outlook
Thanks for reading! We hope this article helped you fix the Outlook won’t open issue in Windows 10. If you have any other questions or suggestions, feel free to leave us a comment below.

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