You want to send email attachment to your team members or clients but file size exceeds the maximum limits of attachment. Here is a solution, Send big size files through QuickStart admin file share by sending your file portal link to recipients.
Administrator can turning on and off employee file sharing permissions along with restricting file uploading limit such as 100 MB or more.
QuickStart admin allows file sharing by allocating a file share URL to its user. User can share these URL with the recipient to whom they want to share files.