Losing access to your Gmail account can be incredibly frustrating. In researching this guide, I've reviewed numerous user stories of accounts locked after forgotten passwords—some still unresolved after weeks.
Google offers recovery methods for forgotten passwords or hacked accounts, but success often hinges on preparation. Here's how to maximize your chances, based on proven strategies.
If disaster strikes, a recent backup softens the blow. Use Google Takeout to download data from Gmail, Drive, or all Google services. Emails export in MBOX format, importable to other email clients.
Google may ask for a previous password during recovery. When updating your password—do so regularly—record the old one securely. Password managers excel here: create a new entry for the updated password and label the prior one as "Gmail - old password."
If you lack a manager, store old passwords in an encrypted file as a backup plan.
Provide Google with multiple verification methods upfront for easier identity proof.

Use another Gmail, provider, or trusted contact's email.


Google might request this. To find it while you have access:

Google also recommends using your usual device and browser for recovery attempts.
Head to Google's account recovery page and answer prompts sequentially: last password, recovery codes, etc.
Testing on a dummy account showed limited paths—failure loops to "Try again." Explore the "Can't sign in?" page for extras.

Even thorough efforts fail sometimes, as tech journalist Ron Miller experienced in 2017 after exhaustive tries.
Proactive steps—backups, recovery options—are your best defense. If all fails, Google advises starting fresh with a new account.