I these days confronted an disturbing hassle: QuickBooks changed into not sending invoices via email. Every time I tried, I were given error messages or not anything occurred. After hours of frustration, here’s what worked for me—and can assist you too. First, I made certain that my Outlook account became efficaciously installation and working outdoor of QuickBooks. Then, I set Outlook as the default mail client in each Windows and QuickBooks preferences.QuickBooks Email Not Working Still didn’t work. So, I ran QuickBooks as an administrator. That certainly made a distinction—unexpectedly, the email feature changed into responsive! I also checked the webmail settings (if you’re the use of Gmail or Yahoo) and ensured the suitable port and SSL alternatives were in area. It turned out that -factor authentication on my Gmail changed into blocking the relationship. After creating an app-unique password for QuickBooks, emails began going via easily. If every person else has faced this, permit’s share more running answers here!