How to Mass/Bulk Delete All the Emails in a Folder in Gmail?

Follow the following steps:

1. Select The First 50 Emails Showing in one page
   Log into your gmail account and click on respected label, at the top click the blank square shown. This will allow you to select all messages in the current page which will the the top 50 emails.
   
2. Select All Emails In Your Label
   Above doesn’t solve the issue of how to delete more than 50 emails at one time from your Gmail inbox. Look for the option to “Select all xxxx conversation in <Label>”, this allows you to select more than 50 emails in your inbox for deletion.
   
3. Finally Delete All Your Emails In the Label
   After you click the “select all conversations in <Label>”. Then simply click the delete icon (or archive if you wish). Obviously before you mass delete or archive your <Label> emails, you’ll want to go through your inbox and make sure you don’t have any important emails that you wish to hold onto.

Download ZOOK Email Backup Software to create backup of emails from Webmail, Cloudmail, cPanel, Web server, to local storage. It is a best way to take email backup of your email account from 85+ online email services.The tool has so simple interface which provides a straightforward solution to download emails, contacts, calendars, etc. from email account.It offers to export emails from email account to PST, EML, MSG, MBOX, EMLX, CSV, PDF, ZIP, DOCX, MHT, RTF, Windows Live Mail, Lotus Notes, Thunderbird, Outlook.com, Gmail, Yahoo, G Suite, Exchange Server, IMAP, Zimbra, Rediffmail, IBM Verse, Amazon WorkMail, IceWarp, etc.It provides 100% safe and secure backups of emails.

To know more visit at:- https://www.zooksoftware.com/email/backup/