"Cannot start Microsoft Outlook. Cannot open the Outlook Window" - is one of the most common Outlook errors across the globe. In this article, we have provided all the necessary steps that is required to fix Cannot start Microsoft Outlook error. In case if you are certain the issue is due to a corrupt Outlook data file, you can make use of Remo Outlook PST Repair Software to easily repair PST file.
Microsoft Outlook is an integral part of the workplace making our lives at work easier. The word Outlook has become synonyms to mail applications at workplaces around the globe. Unfortunately, Outlook will also make your life at work tough with this error that says “Cannot start Microsoft Outlook Cannot open the Outlook Window". What will you do to when Microsoft Outlook doesn't open? How will you fix Cannot start Microsoft Outlook error?
Worry not, this article will let you know why is Outlook is not opening and guides you to easily fix “cannot start Microsoft Outlook error” in simple DIY methods.
Sometimes, the Microsoft Outlook fails to open due to a PST file corruption. If you are certain that you have a corrupt or damaged PST file, do make sure you go ahead and repair your corrupt PST file by using this powerful PST repair software- Remo Repair Outlook PST. Download and try the tool for free now.
Usually, the reason behind cannot start Microsoft Outlook error might be because of an outdated version of Outlook or a damaged Outlook data file. Following are some of the reasons behind Outlook not opening:
These are the possible reasons behind the “cannot start Microsoft error”. Now let us see the solution to fix Microsoft Outlook not opening problem.
Note: If you are not able to open Outlook due to Outlook repeatedly asking password issue, you should refer this.
Outlook’s navigation pane is the leftmost pane where you find the folders and icons to move between emails, contacts, notes, calendar etc. This pane can be customized by users according to their needs and these customization can cause some serious error that will lead to Outlook not opening error.
If the first solution doesn’t fix cannot start Microsoft Outlook issue, the next solution is to check for defective add-ins that are integrated into Outlook. When you start Outlook in safe mode the add-ins are not loaded and hence it is easy to check if those add-ins are responsible for causing the Outlook not opening error.
If Outlook launches with no problem then it is because of any add-ins responsible for cannot start Microsoft Outlook error. You can manually enable one add-in at a time to see which add-in is causing the error.
Note: Other Outlook errors such as oUtlook error 0x80070021 can be resolved by utilizing safe mode.
Your Outlook profile will have Outlook settings, there are chances of that profile getting corrupted. To verify whether your profile or not you have to create a new profile.
If Outlook starts normally with the new profile, then you should consider repairing your Outlook data file.
Compatibility mode in Windows is used to help applications run in an older version of the Operating system. If you are running Microsoft Outlook in compatibility mode, try turning it off and see if it fixes the problem. This method is for Outlook 2013 and Outlook 2010 users only as the compatibility mode is not available for latest versions like Outlook 2016 or 19.
Follow the below mentioned steps to fix cannot start Microsoft Outlook error message by turning off Compatibility mode:
Now restart the Outlook application and see if you are still facing the error: cannot start Microsoft Outlook set folders cannot be opened, you will have to repair Outlook data file PST.
The penultimate solution to fix Microsoft Outlook not opening issue is to repair your Outlook data file. The question is How to repair PST file to fix cannot start Microsoft Outlook error?
There is an inbuilt utility provided by Microsoft and its called inbox repair tool. However, there are certain disadvantages with ScanPST.exe like directly working on the corrupt PST file. Hence it is not recommended to use ScanPST.exe when you are dealing with a corrupted PST file.
If none of the above mentioned methods helped you in fixing cannot start Microsoft Outlook issue. Don’t lose hope, you can make use of a trusted PST repair tool to easily fix all errors with PST file and fix cannot start Microsoft Outlook issue without any risk.
Remo PST Repair Tool is the most recommended tool to repair corrupted or damaged PST files in few clicks only. Designed to work in read only mode, the tool ensures security to the PST file by working on a copy of it and generates a healthy PST file. Download and Try the tool for free now.
Download and Install Remo PST Repair Tool on your computer and follow the below mentioned steps to fix cannot start Microsoft Outlook error:
Conclusion:
Microsoft Outlook not opening/Cannot start Microsoft Outlook, error code 0x80070057 pops up while you try to open Outlook or any other common Outlook errors are very unlikely to be caused by a PST corruption. You can successfully solve cannot start Microsoft Outlook error using any of the above-mentioned methods. As a last measure, you can always implement a PST repair tool in case the other methods falter in giving you a resolution.
Do let us know if you were successful in fixing the Cannot Start Microsoft Outlook error in the comments section below.
To force Outlook to open on startup follow the below-given steps:
1. Open Outlook
2. In the windows, click the File.
3. In the menu on the left, Select Option.
4. Select Advanced in the Outlook Options window that displays.
5. Click on the Browse button next to the phrase Start Outlook in this folder after navigating to the section marked Outlook Start and Exit.
6. Navigate to the folder or view you wish to launch at starting, pick it, and then click OK in the Pick Folder dialogue box.
7. To save your modifications and dismiss the Outlook options box, click OK once more.
1. On your computer, launch Outlook.
2. In the top left corner of the screen, select the File tab.
3. Select Options from the menu on the left.
4. On the left-hand menu of the Outlook Options window, select Advanced.
5. To find the Start-up and Exit section, scroll down.
6. You may choose a number of startup options
7. By turning on offline mode in Outlook
8. Prompt for a profile to be used
9. Open Outlook to a particular folder
10. Open the Reading Pane in Outlook.
11. Open Outlook and select the Calendar view.
12. Open Outlook and select the Contacts view.
13. Click OK to save your changes after choosing the choices you want.
1. To activate Outlook on Windows 10, you first need to make sure you have installed Microsoft Office on your computer. If you have already installed it, follow these steps to activate Outlook:
2. Open Outlook from the start menu or by searching for it in the search bar.
3. When you first open Outlook, you will be prompted to activate it Clicks on the Activate button.
4. If you have a Microsoft account, sign in with your credentials. Create a new account
5. Follow the prompts to enter your product key, if you have one. If you don’t have a product key, Click on Buy Office to purchase one.
6. Once you have entered your product key or purchased office, Outlook will be activated