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Couldn't sync gmail and outlook email accounts with Thunderbird

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  • Last reply by Matt

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I couldn't configure thunderbird to sync with my gmail and outlook accounts. It always gives me username or password invalid error. I am 100% sure that both my details are perfectly correct. Why am I getting this error ?

I don't have 2step verification enabled. IMAP settings are good to go in both gmail and outlook accounts. Still What is the problem and why couldn't I configure Thunderbird ?

I couldn't configure thunderbird to sync with my gmail and outlook accounts. It always gives me username or password invalid error. I am 100% sure that both my details are perfectly correct. Why am I getting this error ? I don't have 2step verification enabled. IMAP settings are good to go in both gmail and outlook accounts. Still What is the problem and why couldn't I configure Thunderbird ?
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Using two factor authentication with those providers? Have you generated an application password?

Have you disabled any anti virus email scanning? If not, do so.

Otherwise try creating your account in the operating system safe mode with Networking. This loads only the very basics needed to start your computer while enabling an Internet connection. Click on your operating system for instructions on how to start in safe mode: Windows 8, Windows 7, Windows Vista, Windows XP, OSX