Having issues with the 0x80040305 error code in Outlook?
If so, youre not alone.
Many users have been reporting this issue when trying to send an email using the desktop version of Outlook.
Luckily, Microsoft is aware of the problem and already rolling out a fix.
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What Is the 0x80040305 Error Code?
The error code 0x80040305 appears in Microsoft 365 Outlook when certain users make a run at send an email.
So, what can you do in the meantime?
Here are three options.
Microsoft has already solved the issue and are gradually releasing it to users.
Enterprise users of Outlook, meanwhile, should get the update before the end of 2024.
Fortunately, there is another way to get past the 0x80040305 error code in Outlook.
All you have to do is delete some of your excess folders that you no longer need or use.
Step 1.Open up your Outlook inbox and take a look at your list of folders on the left-hand side.
take a stab at find some folders youre happy to delete.
Step 2.Once youve found a folder thats ready to delete, right-hit it and press the Delete folder button.
you could also press the three little dots icon on the folder and then click Delete folder that way.
Note that your deleted folders will be sent to the Deleted Items section after you delete them.
you might also delete the folder again in the Deleted Items section to remove it permanently.
Step 1.Review the folders in your Outlook inbox and look for any parent folders that are open.
Step 2.choose the downward-facing error on the parent folder to collapse all the subfolders.
They should then disappear from the full list.
