These tips will help you quickly mass-delete hundreds of emails in Gmail to declutter your inbox and free up Google account storage.Steps include using the Select All option, categorizing emails, searching by specific criteria, and utilizing advanced filters.You can star important emails for future reference and block senders to automatically send their emails to spam.Deleting your Gmail account is also an option if you want to start fresh.Utilize the Select All feature to mark and delete multiple emails at once to save time.Categorize emails by using Gmail's Social, Promotion, Updates, and Forums categories for efficient bulk deletion.Search for specific words like 'Unsubscribe' or by sender to quickly identify and delete irrelevant emails.Utilize advanced search filters in Gmail to refine your search criteria and delete emails meeting specific parameters.Blocking senders can help manage unwanted emails and delete them automatically after 30 days.If necessary, consider deleting your Gmail account to create a new one or switch email providers.