When it comes to using aged Gmail accounts, there are no specific guidelines set by Google that distinguish them from newly created accounts. However, it's important to keep in mind some general best practices and guidelines for using any Gmail account:


Account Security: Ensure that your aged Gmail account has strong and unique passwords to prevent unauthorized access. Consider enabling two-factor authentication for an extra layer of security.


Privacy Settings: Review and adjust your account's privacy settings according to your preferences. This includes settings related to visibility in search results, profile information, and sharing options.


Regular Security Checkup: Periodically perform a security checkup for your Gmail account. This checkup allows you to review and update your security settings, recovery options, and app permissions.


Account Recovery: Keep your account recovery options up to date. Provide alternative email addresses and phone numbers that you can use for account recovery in case you lose access.


Phishing Awareness: Be cautious of phishing attempts and suspicious emails. Avoid clicking on links or downloading attachments from unknown sources. Gmail's spam filters are designed to catch most phishing attempts, but being vigilant is important.


Responsible Use: Use your Gmail account responsibly and adhere to Google's terms of service. Avoid activities that violate the terms, such as spamming, sending malicious content, or engaging in illegal activities.


It's worth noting that while aged Gmail accounts may have certain advantages, such as a longer history and potentially higher reputation, they should still be used in compliance with Google's policies and guidelines.