This document explains how to fix Microsoft Outlook error Code:
Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The information store could not be opened.
The error generally shows up while installing, updating, launching/opening, performing action like sending or receiving emails, configuring emails etc.
This solutions applies for following version of Microsoft Outlook:
- Outlook 2016
- Outlook 365
- Outlook 2013
- Outlook 2007
- Outlook 2010
- Microsoft Office (2013/365/2016)
Cause of Error Code
- Slow ISP Connection
- Microsoft Outlook internal Application Conflict
How to fix the Microsoft Outlook Error:
Step 1: Disable Proxy
1. Hold Windows Key + R. Run Dialogue Box will open up.
2. Enter CMD and Click OK.
3. In command Prompt Copy following commands (Simply select the command and hold ctrl+c and press ctrl+v in command prompt)
netsh winhttp show proxy
Note: You will need Administrator Access to Run the above command. Simply Right Click on CMD button and select “Run as Administrator”
If you get the message “Direct Access (no proxy server)“, continue to the next step otherwise disable proxy from Network Settings.
You can contact our 24×7 Live support for any help during the whole process.
Step 2: Disable any installed Antivirus/Malware/Adware Program Temporarily:
Some times Antivirus/Malware/Adware programs mark Microsoft office installer files as Spam and block it from installing. Please refer your vendors website for disabling it temporarily. Once installation is done you can activate it again.
In most cases the Outlook error should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.