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After Installing Office365 you might face the following error while sending or receiving email using outlook 2013 or 2010.

Office365 Outlook 2013 Sending error 0x800CCC13, Cannot connect to the network. Verify your network connection or modem

If you are one of them who are stuck with this problem you are at the right place. By ending this article you will able to fix this error yourself. This error doesn’t belong to misconfiguration of POP/SMTP settings. You may have able to complete test connection successfully with no error but suddenly this error occurs when try to send or receive email.


There are 2 main reasons behind this error. First one is corrupted outlook files or the other files on which outlook is dependent on. So you must run safe scan command in administrative command prompt to fix this error. To run this command, see this guideline.

  1. Open Administrative Command Prompt. Click on Start menu, type cmd and right click on the search item and select Run as Administrator.

    CMD as Administrator
    CMD as Administrator
  2. Type the following command and Hit Enter.

            sfc /scannow


  1. A scanning process will starts and verify all corrupted files. It might take several few minutes so keep patience because there are 90% chances of fixing Outlook 0x800CCC13 error.


Most of the Office365 user reported it is useful and they fixed themselves. However some of them reported that this method didn’t work for them. It is because they have corrupted or damaged PST files. So if you have corrupted or damaged outlook data file or PST File you may get the above error or some other unknown error on your screen. In order to completely resolve this problem repair outlook data file using Inbox Repair Tool which is available on your PC. Inbox repair tool which is also known as scanpst.exe gets installed automatically on your PC when you installed Outlook.

Find Scanpst Location

The best solution to remove Outlook 0x800CCC13 error is Stellar Phoenix Outlook PST Repair Tool. This tool gives ultimate power and feature to manage outlook pst file. It not only fix corrupted PST problem but also recovers deleted items as emails, contacts, notes, calendar, journals etc. After optimize PST File using this tool most probably you will not get the Office365 errors.
Fix Office365 Outlook 2013 Sending error 0x800CCC13, Cannot connect to the network. Verify your network connection or modem Problem Using Stellar Phoenix Outlook PST Repair Tool

[Help] Office365 Outlook 2013 sending error 0x800CCC13

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