Best email clients of 2021: Free and paid apps and software

By Tech Radar
Microsoft Outlook
"Microsoft’s classic email client"
eM Client
"A full-featured alternative email client"
Mailbird
"The email client that bristles with app integrations"
Inky
"The anti-phishing email client"
Hiri
"Packed with time-saving tools that'll improve email habits"
Gmail
"Google’s webmail juggernaut needs no introduction"
Mail and Calendar
"The email client that’s good enough to come with Windows"
Thunderbird
"Mozilla's free but capable email client"
Spike
"Give your inbox the WhatsApp treatment"
Slack
"A collaboration tool that should need no introduction"
Mailbird Pro
"The email client that bristles with app integrations"