Overview
What is One By One?
One By One is an add-on Outlook that mail your clients individually
In depth
A closer look at One By One
One By One is an add-on Outlook that mail your clients individually, not with a bulk email where they can see each other's addresses. Mail each client personally in one click. Ideal for email newsletters and e-cards
Verdict
Should you download One By One?
One By One runs on
Windows 9X/ME/2K/XP/2003/Windows 10/11
and is available under the
Time-limited Trial
license
— the installer is 689 KB.
We’ve catalogued it under
E-Mail Tools.
✓
Verified clean. Every One By One build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
One By One specifications
- Last updated
- Nov 26, 2025
- License
- Time-limited Trial
- Operating system
- Windows 9X/ME/2K/XP/2003/Windows 10/11
- File size
- 689 KB
- Price
- Free
- Page views
- 496
Help fellow users decide. Share your experience with One By One.