Solutions for Error code 0X800CCC80 in Microsoft Outlook 2021/2019

Error code 0X800CCC80 in Microsoft outlook 2021/2019 :

This article describes the  Microsoft Outlook 2021/2019 Error code 0X800CCC80. It is not working properly with an error While some performing actions like Sending or Receiving emails or configure emails etc., This maybe looks like An Unknown Microsoft 2021 Error code 0X800CCC80 has Occurred, . In this case, you have to repair the Outlook PST file using Microsoft’s Outlook Inbox Repair Tool (Scanpst.exe).

Disclaimers: Fixing an error code 0X800CCC80 on Microsoft Outlook deals with your emails and attachments. Please backup your emails and it’s folders before you proceed. If you are not sure about the procedure, contact the technician for the support.



Causes of Microsoft Outlook 2021/2019 Error 0X800CCC80:

Internet Connectivity Issue

Temp files location is infected with active malware

Power corruption

Disk damage and other unknown reasons

Suggestions for Microsoft Outlook Error code 0X800CCC80:

program lock-ups

slow PC performance

system freezes

startup and shutdown problems

installation errors and hardware failure.

Solutions for Error code 0X800CCC80 in Microsoft outlook :

Method 1:

Open outlook and click on tools after that go to emails accounts.

Then choose ‘view or change existing email accounts’ and click on next.

After that choose your existing mail server that is having the problem and click on change.

Click on more settings then go for Choose Outgoing Server tag make sure that you tick the following:

My outgoing server (SMTP) requires authentication

Log into incoming email server before sending email

Click OK then click Next finally click Finish

Method 2:

Check proxy settings

Check corrupt system files

Enable the Hidden files & folders view

Run the Inbox Repair tool-Scanpst.exe

1. Check Proxy Settings:

Click the Start button at the corner of the system and then search the Control panel.

Once the control panel is opened and then click the Network & Internet option.

After that go to the Internet Options then open the Internet property Window.

Then click on Connections tab then right at the bottom click on LAN Settings make sure Automatically Detect settings is checked on the automatic configurations option.

Most LAN configurations these days don’t need proxy server settings.

2. Check Corrupt System Files:

Press Windows Key + R. Run Dialogue Box will open up.

Enter CMD and Press OK.

  • In a command prompt copy the following commands and enter the each command
SFC Scan
  • The SFC /scan now command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir%\System32\dllcache.
  • The %WinDir% placeholder represents the Windows operating system folder. For example, C:\Windows.
  • After the process is finished, you may receive one of the following messages:

Windows Resource Protection did not find any integrity violations.

Next Windows Resource Protection could not perform the requested operation.

Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log.

Check, Windows Resource Protection found corrupt files but was unable to fix some of them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log.

3. Enable the Hidden Files & Folders View:

Open the Windows Control Panel and then Open Folder Options after that Click the View tab.

Then Check to enable the Show hidden files, folders, and drives option then Click OK button.

4. Run the Inbox Repair Tool – SCANPST.EXE

First Close Outlook then Open Windows Explorer and locate the scanpst.exe repair tool at this location:C:\Program Files\Microsoft Office\%OfficeVersion%\SCANPST.EXE

Double-click to open SCANPST.EXE and Click the Browse.

Locate the corrupted Outlook data file (e.g. Outlook.pst) at this location.


Note: In Outlook 2013, the Outlook Data file is stored by default at:

C:\Users\%Username%\Documents\Outlook Files\Outlook.pst

Press the Scan button and be patient until the Inbox Repair Tool repairs the corrupted file.

Note: At final repair phase you will be asked if you want to create a backup. Answer “Yes” to continue the repair operation.

  • Run the tool, and browse to the following location to choose the Outlook data file which you want to repair.


  • Click Start, which will start the repair process.

Note: The repair might take a long time depending on the size of Data file.

  • 7. After the scanning is complete you will be prompted to click repair.

Note: –You will need to uncheck cache mode.

*If the repair process will not work in your case, then recreate OST

In Conclusion:

If you would like to have a support taken through technical assistance, feel free to initiate a chat or write us on with the complete information of the computer make and model, office or windows operating system versions and the best time to reach you for support.
We provide support for Microsoft products like Windows and Office and Outlook unlicensed product, we can also set up free tools provided and included with Microsoft Windows and can train you on how to use them to maintain the health of your computer. You can also ask for System Repair Image support or some Recovery help, we also restore your computer to a point when it was working fine without any issues.
Finally, Feel free to chat with us for any support. Free assistance can be provided for all the basic troubleshooting without any additional resources.
Outlook Error 0X800CCC80

Chat without Experts

Rate this post