Select MDB-> Open Message Store and select your default pst-file (the one with the D in front of it) and press Open.Extract the downloaded file and run mdbvu32.exe from within the extracted folder.The MDBVU32 support tool can be seen as the “grandfather” of MFCMAPI.Įven though it is recommended to use MFCMAPI instead, the instructions below can still be used for any 32-bit version of Outlook but are really only being maintained in case MFCMAPI at some point drops supports for Outlook 2003 or older. Open Outlook and notice that the stuck Read Receipt is gone. Repeat the abort and delete steps for each “Read:” message that is in the Root Container folder.Set the option to “Permanent delete passing DELETE_HARD_DELETE (unrecoverable)” and press OK. Make sure the message is still selected and choose: Actions-> Delete message.Select the message and choose: Actions-> Submit-> Abort submit… You should now see an item with a subject prefixed with the “Read:”.

When you are using an Exchange account, this is called “Root – Mailbox” and otherwise it is called “Root Container”. Right click on the top-level folder in the left panel and choose: Open contents table. Select your Outlook mail profile or simply press OK if you are not familiar with this dialog.ĭouble click on the line which has the value for the Default Store column set to True. Press OK on the first screen which displays some usage notes.Extract the downloaded file and run mfcmapi.exe from within the extracted folder.When you use a 64-bit version of Outlook, you’ll need the file starting with.When you use a 32-bit version of Outlook, you’ll need the file starting with.Visit the MFCMAPI page on GitHub to download the latest version of MFCMAPI.However, make sure you follow the instructions below very closely to prevent making any irreparable mistakes. MFCMAPI is actually a tool for Outlook MAPI developers but as it provides “low-level” access to Outlook’s data stores, it is also a handy tool for some advanced troubleshooting. Deleting Read Receipts via MFCMAPI (recommended)īefore doing anything, make sure you have a current backup of your mailbox (just in case).You can still do this via one of the following advanced (free) support tools from Microsoft: MFCMAPI or MDBVU32. Seeing messages being sent or are you getting sending errors without something in the Outbox?Īs they are invisible in your Outbox, it is kinda tricky to delete them.

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