Troubleshooting

Lost / forgotten license key

• I Can't Find My Mailbird Business License Key
• License Key Retrieval

Installation and Licensing Issues

• Problems installing or setting up Mailbird
• Mailbird is installed, but there's no icon in the Start menu and a desktop icon
• I am unable to install Mailbird
• Cannot activate license (Cannot connect to server/only show pink colour)

Adding or Importing Account

• Unable to sign in to Google app in Mailbird
• Authentication Failed - Unable to add email account
• AOL / Yahoo possible authentication issue
• Gmail authorizing issue when adding the account to Mailbird
• AOL authentication problems
• Yahoo - Incorrect username or password

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Issues Sending or Receiving Emails

• Emails fail to send / Sending error/ Emails stay in drafts
• I cannot send/receive emails anymore
• I can't receive or send email anymore
• Request is throttled. Suggested backoff time ... issue
• Microsoft 365 - SMTP authentication unsuccessful error when sending emails
• Yahoo/AOL/AT&T/Verizon account is not downloading/syncing messages

See all 15 articles

Display Issues

• .eml and .msg attachments are not visible in Mailbird
• Problem with text display: it looks blurry or pixelated
• Emails are cropped/Cannot See the whole message

General and Misc

• How to check whether you have an IMAP or POP3 email account
• Mailbird freezes or hangs
• Database version mismatch error
• My emails get deleted or marked as read automatically in Mailbird
• Messages deleted in a Zoho Mail account from another client are not deleted in Mailbird
• Copy/paste doesn't work or crashes Mailbird with Webroot installed