This article describes the Office Outlook Error code 0x8DE00002. 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 Error has Occurred, 0x8DE00002. In this case, you have to repair the Outlook PST file using Microsoft’s Outlook Inbox Repair Tool (Scanpst.exe).

Disclaimers: Fixing an error on 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.

Applicable to the following versions of Office Outlook 0x8DE00002 :

• Outlook 2016, 2019
• Next, Outlook 365
• Microsoft Office 365/2016/2019

Causes of Office Outlook  0x8DE00002 :

• Internet Connectivity Issue
• Temp files location is infected with active malware
• Power corruption
• Disk damage and other unknown reasons

Symptoms of Outlook  0x8DE00002 :

• Program lock-ups
• Slow PC performance
• System freezes
• Startup and shutdown problems
• Installation errors and hardware failure.

Solutions for the Office Outlook Error Code 0x8DE00002:

1. Check proxy settings
2. Find corrupt system files
3. Enable the Hidden files & folders view
4. 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 open 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 check on the automatic configurations option.
• Most LAN configurations these days don’t need proxy server settings.

2. Find 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

  

• The SFC /scan now command will scan all protect system files, and replace corrupted files with a cach 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:

1. Windows Resource Protection did not find any integrity violations.

2. It could not perform the requested operation.

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

4. Finally, 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.
• Certainly, Check to enable the Show hidden files, folders, and drives option then Click OK button.

4. Run the Inbox Repair Tool SCANPST.EXE

• Firstly, Close Outlook then Open Windows Explorer and locate the scanpst.exe repair tool at this location:C:\Program Files\Microsoft Office\%OfficeVersion%\SCANPST.EXE
• consequently, Double-click to open SCANPST.EXE and Click the Browse.

  

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

C:\Users\%Username%\AppData\Local\Microsoft\Outlook\Outlook.pst

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.

That is to say, 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.

“C:\Users\\AppData\Local\Microsoft\Outlook.”

• Click Start, which will start the repair process.

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

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

You will need to uncheck cache mode.

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

In Conclusion,

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