Cannot open outlook

Outlook is a useful e-mail program with which you can avoid logging into the website of your provider to check your inbox. Nevertheless, even this popular element of Microsoft Office sometimes falls short — especially when you cannot open the Outlook window at all.

This is especially frustrating when you are waiting for an important e-mail. Usually, outdated software or a profile in need of repair are the reasons why you cannot start Microsoft Outlook. If a specific error code is displayed, the problem can be quickly identified, but many users do not know how to proceed in such specific instances.

In the following sections, you will find out solutions for typical errors and what to do when faced with more unfamiliar ones. The prefect solution for your business! Multiple possible solutions, which will be introduced in the following sections, apply to the current Outlook as well as to the and versions. If this quick solution does not work, the next suspected culprits are the add-ins that are integrated into Outlook.

These can either be defective or simply outdated and prevent Outlook from starting as usual. Once the launch in safe mode is complete, you will have narrowed in on the issue: one or several of the add-ins may be preventing Outlook from starting normally. To find out which it is, complete the following steps:. If the restart was successful, this further indicates that one or more defective add-ins are at fault.

cannot open outlook

Now, you should find out which ones are the culprits by process of elimination:. A standard outlook. However, you can create. This proves that the issue stems from your original profile. The scanpst. If it finds an unreadable or damaged section of data, it will automatically remove it.

cannot open outlook

It is therefore possible that several data files are lost during this restoration. However, this is the best solution according to Microsoft, because the files in question are already irreparably damaged. As scanpst. This functions as follows:. Here you can also find solution approaches for issues with older operating systems. If you would rather manually run scanpst. Now all that is left to do is to transfer the restored files into a new Outlook profile :.

In this case, the following approaches can help. It is sometimes the case that Outlook already experiences issues during its initial launch, and without providing an error message.

For example, indications of this are that the PC slows down and that nothing happens even after the Outlook icon is clicked on several times. At this point, the only solution is usually to end the program manually:. If the issue has still not been resolved, you do not have to proceed with a new installation right away. It is possible that your issue has already been solved by Microsoft and that the updates necessary for the solution already exist. The and versions of Outlook sometimes have compatibility issues with Windows Getting Outlook to work again properly when receiving startup errors often is not that hard but it does require some specific knowledge about the inner workings of Outlook.

This guide explains all you need to know about that in order to get your Outlook to start without errors again. Note: Aside from solving problems with starting Outlook, this guide can also be used as a base to troubleshoot other common Outlook issues. Windows 10 Upgrade: If you are having difficulties with starting Outlook after you upgraded to Windows 10, see the guide: Windows 10 and Outlook and more specifically the section PST File access is denied.

Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. Just to make sure you are not trying to troubleshoot an issue which has already been solved, make sure that before you begin you have installed all updates for your version of Outlook.

For instance, Outlook and Outlook have known compatibility issues with Windows 10 which can be fixed by installing their latest Service Packs and updates. Fixes for known issues and bugs in Outlook are released on a monthly basis. Make sure that you have Microsoft Update configured to also check for Office updates or check the Update Options setting when using an Office installation.

Did Outlook still work correctly the last time you used it? If so, you probably can skip this solution. If it never worked before or if you are starting Outlook for the very first time, it could very well be that you have not configured your mail account correctly. Solution: At this point, it is often easiest to recreate your mail profile via the Mail applet in Control Panel.

An overview of the settings from some of the largest free email account providers can be found here. If you share this computer with another user, you can ask this other user to logon and ask to verify if Outlook is still working for him or her. If you are the only user of this computer, then you could also add another user to Windows just for testing purposes via the User Accounts applet in Control Panel or the Accounts section in the Settings app on Windows If it works for another user on the computer or you have no way to check this, continue to the next step in this guide.

If Outlook worked correctly the last time and nothing has changed about your account configuration, then checking if things work correctly in Safe Mode is a good first step.

Starting Outlook in Safe Mode will prevent some or all add-ins from being loaded, prevents several settings files from being loaded and turns off the Reading Pane. When typing, please note the space between outlook. Solution: If it works in Outlook Safe Mode, the issue is most likely caused by an add-in, a corrupted settings file or the first message that is being displayed when Outlook is started. See the next 3 troubleshooting steps below for further analysis of the issue. If you encounter this issue more often, see this Quick Tip to find a more definitive solution.

If you are using Outlook or previous, Outlook stores several settings in dat-files which get loaded upon startup. These files sometimes get corrupted and renaming them to. Outlook and later do no longer use these files so if you are using Outlook or later, you can skip this step. Solution: Reset extend. You can find them in the locations below. If you are having trouble locating these folders you can also use OutlookTools free!

If Outlook works in Outlook Safe Mode but resetting your dat-files did not help, then the issue is most likely caused by an add-in. This problem may be resolved by using Detect and Repair on the Help menu. The instructions given in the error will seldom actually fix this issue as the issue is more likely to be caused by the add-in itself, rather then by an Outlook installation issue.

Solution: Start Outlook in Safe Mode again and disable all your add-ins. After this, you can start Outlook normally again and see if it works now. If so, you can enable them one by one until Outlook fails to load again.

The add-in you last enabled is most likely the cause of your issue. Uninstall or reinstall this add-in or check with the vendor for updates or contact them for further troubleshooting their add-in.Skip to main content. Select Product Version. All Products. To resolve this issue, delete your. Close Outlook. Start Outlook. More Information. In earlier versions of Outlook, we previously recommended that you use the Scanost. The Scanost. We now recommend that you delete your offline Outlook Data File.

For more information, see the following article in the Microsoft knowledge base. Double-click Event Viewer. In the left pane, select Application under Windows Logs. Last Updated: May 19, Was this information helpful? Yes No. Tell us what we can do to improve the article Submit. Your feedback will help us improve the support experience. Australia - English. Bosna i Hercegovina - Hrvatski. Canada - English. Crna Gora - Srpski. Danmark - Dansk. Deutschland - Deutsch.Cannot open your Outlook or Outlook ?

In this article you will find really working solutions for "Cannot start Microsoft Outlook" problem that will help you have your Outlook up and running again with no errors. The fixes work in all versions of Outlook,and lower and on all systems. A few articles ago we discussed what can be done when Outlook is freezing and not responding. Today, let's see how you can fix and prevent an even worse scenario when your Outlook does not open at all. The main symptom of this problem is very obvious and easily recognizable: you click Outlook's icon, an hourglass appears and is hanging for a while, and then you get the "Cannot start Microsoft Office Outlook" error.

According to Microsoft, the major cause of this issue is a corrupted Navigation Pane settings file - profilename. A good indication that the file is corrupted is when its size is 0 KB. No one knows the exact reason why this happens, but all versions of Microsoft Outlook from to the newest Outlook may be affected. Other reasons may be when you run Outlook in the compatibility mode, or if you are using a profile created in an older Outlook version, or if the Outlook data file.

Anyway, whatever the reason is, the outcome is the same - you cannot open the Outlook window because of this error: " Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. Outlook : " Microsoft Outlook has encountered a problem and needs to close. We are sorry for the inconvenience. Outlook : " Cannot open your default e-mail folders.

The information store could not be opened.

cannot open outlook

Outlook : " Cannot start Microsoft Office Outlook. Unable to open the Outlook window. Invalid XML, the view cannot be loaded. Now that you know what causes problems on Outlook start up, let's see how we can get them fixed. Below you will find the troubleshooting steps for 4 most common problems that prevent Outlook from starting correctly, listed in order of frequency and efficiency:.

In most cases it is the corrupted Navigation Pane settings file that prevents Outlook from starting successfully, so the first thing you need to do is to mend it. Here's how you can do this on different operating systems:. Press Enter or click on the file in order to reset the Navigation Pane settings and then open Outlook.

If you prefer to work with the Run dialog on Windows 7 or Windows 8, then follow this way. Delete the Navigation pane settings file If for some reason you were not able to recover the Navigation pane configuration file, nor did the automatic fix provided by Microsoft work, try to delete the XML file that stores the navigation pane settings. To do this, proceed with the following steps:.If you cannot open Microsoft Outlook, oror you receive the error "Cannot start Microsoft Office Outlook.

Cannot open the Outlook Window. The set of folders cannot be opened. The "Unable to start Outlook" problem, can be faced in several Outlook versions Outlook, orbecause the set of Personal folders cannot be opened, due to errors while opening the Outlook Data file e.

This troubleshooting guide contains instructions to resolve problems at Outlook startup: Unable to launch Outlook, Cannot Open Outlook window, Cannot start Microsoft Outlook, etc.

In some cases, Outlook cannot start because it is set to run in compatibility mode. To fix the problem:. Right click at Microsoft Outlook shortcut and select Properties. At Compatibility tab, uncheck the " Run this program in compatibility mode " checkbox. Launch Outlook. If the problems persists, then uncheck the "Compatibility Mode" option in "Outlook. To do that:. Right-click at the Outlook.

At Compatibility tab, uncheck the Compatibility Mode checkbox. The navigation pane is the left pane in Outlook where you can find all Outlook E-mail folders and your Calendar, Contacts, Tasks, etc. If the navigation pane's settings become corrupted, then Outlook is unable to start. Type outlook. If the problem persists, then try to delete the Outlook. EXE differs on every Outlook version.

To find the "scanpst. Open Windows Explorer and navigate to the following location according your Outlook Office version:.

Double click at scanpst. Select the Outlook data file. Press the Scan button and be patient until the Inbox Repair Tool repairs the corrupted file. Answer " Yes " to continue the repair operation. Proceed to setup your new profile and when finished, check the " Prompt for a profile to be used " option and click " OK ". Open Outlook, select your newly created profile from the list and setup your email account in this profile. If Outlook starts normally in Safe Mode, then proceed and disable the third party Add-ins.

That's it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others. Eric Oct 26, Thank you tremendously! I could resolve it by deleting the. Thanks a lot!Keep in touch and stay productive with Teams and Officeeven when you're working remotely.

Learn More. Learn how to collaborate with Office Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. I cannot open the mail in windows Initially there are notification of new coming emails but it cannot be open to the mail.

I have try uninstall and reinstall and reset. But it does not work still. Kindly advise. Issues with launching Windows 10 applications are usually occurring due to damaged components within the app. For us to provide an effective solution, we would need you to answer the following questions:.

Which build and edition of Windows 10 is installed on your computer? Are you getting any error messages when you're trying to open the Windows 10 Mail app? What changes have you made to your computer before this issue happened?

For further troubleshooting, we advise running the automated troubleshooter for Windows 10 apps. This tool can scan and repair damaged application components. Visit this linkclick on Run troubleshooter and then follow the prompts to successfully run the tool. Did this solve your problem?

Yes No. Sorry this didn't help. We appreciate your response. To further troubleshoot your concern, we suggest manually uninstalling the Mail app. Follow these steps to do so:.

How to Fix "Cannot start Microsoft Outlook" & "Cannot open Outlook window"

Once done, restart your computer. Download and install the Mail and Calendar app from Windows Store. Check if the same issue persists. This link includes the frequently asked questions about the Mail and Calendar app.

We would just like to clarify your concern before we proceed. What exactly do you mean by the "mails do not open"? Is it just the mails are not opening on the mail app? There is a possibility that a certain change to the system like an update or an installed software may have caused this misbehavior. If you were able to use the mail app at a certain point in time, we can conduct a System Restore as a last resort.

However, please try these methods first before proceeding to System Restore. On this method, we will eliminate the possibility of a 3rd party application causing the concern. Please follow the steps below.Keep in touch and stay productive with Teams and Officeeven when you're working remotely. Learn More.

Outlook will not open error: Cannot start Microsoft Outlook. Cannot open the Outlook window.

Learn how to collaborate with Office Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number.

If you are unable to open the data file and not able to open Outlook, then create new Outlook profile following Method 1 from the following article:.

How to Fix Outlook 2016 Error Cannot Start Microsoft Outlook Cannot Open The Outlook Window

Once the new profile is created, you may setup the email account following the steps from the link below:. Did this solve your problem? Yes No. Sorry this didn't help. April 7, Keep in touch and stay productive with Teams and Officeeven when you're working remotely. Site Feedback. Tell us about your experience with our site.

Microsoft Outlook Won't Open

JoeLavinMassage Created on May 14, I have tried several of the solutions online but nothing works. I do not mind starting from scratch. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Aravinda Balakrishna Replied on May 14,


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