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Get more:-‘Outlook 0x80040900’ error fixed
Steps to fix Outlook 0x80040900 error
- Remove the email account and add it again.
- Repair Microsoft Office installation. To do so, follow these below steps:
- Go to Control Panel > Programs and Features.
- Now find the Microsoft Installation in the list. Right-click it, and click Change.
- Then select the Repair option.
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