1) Find out defective add-ins while in the safe mode
People personalize Outlook to enhance its appearance and functionality by incorporating add-ins. As a result of this, if you see Outlook 2013 signature not opening, probably it’s because of these add-ins. Outlook signature not opening normally shouldn’t be a big problem because your best option is to start it in the Safe Mode and make sure that you disable add-ins. Here are the Solutions you can follow:
- First of all, you should press the Windows icon + R. Then in the dialog box, type in Outlook / safe, and confirm with the Enter or OK.
- If the profile dialog opens, choose the standard settings and confirm OK again.
Outlook will now start in the safe mode without add-ins. This helps you to identify add-ins that are preventing Outlook from opening normally. The important thing is to complete the following Solutions to identify these add-ins:
- In the top left of the Outlook Window, click File and then Options.
- On the left side of the Outlook Window, select Add-ins, and click Go.
- You can deactivate all add-ins by clearing the checkboxes, and click OK.
- Lastly, close the Outlook Window.
If you restart it successfully, it will show you that one or more add-ins are defective. Now, it’s time to uncover them by the elimination process.
- On the left side of the Outlook Window, choose the file and options. Select and enable one after the other of each of the add-ins. Close Outlook and restart it after each reactivation.
- Is Outlook not opening links? If this happens after a recently reactivated add-in, then it indicates that that particular add-in is the defective one.
- In such a case, go into safe mode to deactivate and uninstall the add-in to ensure your Outlook performs normally.
2) Change your profile
The first solution might be unsuccessful. Worse still, the Outlook window might not even open in the safe mode. When this happens, consider taking a look at your personal folder file. The Outlook profile contains all the settings, but it can get faulty. This problem can be solved by doing the following:
- In the Outlook start menu, click Control Panel.
- Secondly, choose Mail.
- In the Mail-Setup – Outlook dialog box, select Show Profiles and click Add.
- Create a new profile by typing in your name, email address, and password and click Finish.
- Use this profile when starting Outlook by choosing a new profile under the option of Prompt for a profile to be used.
- Start Microsoft Outlook.
If you do everything properly, Outlook will open when you use the new profile. This goes to prove that the problem came from your original Outlook profile.
3) Repair corrupt Outlook data files
Data files keep all your email messages, tasks, contacts, and events. The data file may be defective, preventing Outlook from opening. The good news is that there are solutions available to repair the data file. Take a look at the following solutions that will enable you to fix quickly Outlook opening problem:
- In the Office installation folder, search for SCANPST.EXE.
- Enter the path and select your Outlook data file. You can also click Browse through Windows Explorer to find the data file.
- Scan your data file by clicking the Start button. If errors are discovered during the scanning process, click the Repair button. This will repair all corrupt files in the Outlook data file.
- Next, transfer the repaired files into your new Outlook profile.
If the in-box Program cannot fix the corrupted Outlook PST files, you can also try Wondershare Repairit for Email. It is a powerful and almighty software that can be applied to fix corrupt Outlook PST files in any scenarios
4) Ensure Outlook is not in Compatibility mode
Compatibility mode is suitable for older software with Windows 10 that fail to run normally. Thankfully, Microsoft Outlook is fully optimized for Windows 10, meaning Compatibility mode is not necessary. You might be wondering what happens when you switch on the Compatibility mode for Outlook. When you do this, your Outlook might have opening problems. For this reason, you should always turn off Compatibility mode for Outlook.
So, is your Outlook not opening Windows 10? The simplest way to solve this problem is to follow the Solutions below:
- Right-click your Outlook shortcut and select Properties from the Outlook menu.
- Choose the Compatibility tab and ensure that the option with “Run this program in compatibility mode” is off.
- Press Apply and confirm by clicking OK to save the changes you have made.
5) Remove the Outlook App Data folder
Most users have successfully overcome Outlook opening problems by deleting the Outlook App Data folder. Whether it’s Outlook 2010 “not opening” or Outlook 365 “not opening,” it’s worthwhile to follow these Solutions to fix this problem:
- First of all, close Outlook completely.
- Then simultaneously press Windows Key + R and enter this %localappdata%.
- Go to the Microsoft folder and find the Outlook folder.
- Delete the Outlook folder and restart Outlook.
Here’s the deal, when Outlook manages to open, all the files you delete will automatically be recreated. It gets better because you also resolve all the Outlook opening issues.
6) Make sure you have permissions for PST file
Outlook keeps all your information in a PST file. However, you will have certain errors if you don’t have the right permissions to access this PST file. The worse part is that Outlook might not open on your computer. You can only fix this problem if you change the security permissions. Below is a simple technique you can perform to correct this issue:
- Find your PST file and right-click it. From the menu, select Properties.
- Locate the Security tab and find out if your username is there. If it’s not available, press the Edit button.
- You can now click the Add button to create a new user.
- In the space with the “Enter the object names to select,” type your username. Press Check Names to see if your username is valid. If it is valid, click OK.
- Choose your username from the part with user names or the Group. Select Full Control in a column called Allow.
- Finally, press Apply and OK to confirm the changes.
Once you have made these changes in your PST file, Outlook should open without encountering any more problems.
7) Update Outlook
If your Outlook still has problems, there is one more solution you can do before installing a new one. Likely, Microsoft might have already detected the problem and sent you updates to solve the issue. Therefore, update your Outlook by using Windows update in the following way:
- In the Start menu, choose All Programs and then click Windows update.
- Look for new updates for Windows and Office and install them.
With the window with the Windows Update, you will see all the updates you need to make for your Microsoft Office.
