TinyTask
TinyTask is a free Mouse and Keyboard automation software
...Lightweight, free, and installation-free, it lets you record and replay repetitive mouse and keyboard actions instantly, with no scripting needed.
Ideal for form filling, data entry, testing, and everyday repetitive tasks. TinyTask Pro adds loop automation, custom hotkeys, and Chrome extension support.
Automate Outlook email sending — record once, loop it to send emails automatically. Guide: https://tinytask.org/how-to-use-tinytask-mailer-for-outlook-automation/
Chrome Extensions for Email Automations:
TinyTask Mailer Pro for Gmail : https://chromewebstore.google.com/detail/tinytask-mailer-pro/leogijhgaiggagccdanaphgppplhmghb
TinyTask Mailer for Outlook: https://chromewebstore.google.com/detail/tinytask-mailer-for-outlo/aklgfkdkpedcfigfleplkjbofiklfddd
Download free at https://tinytask.org