Outlook has no (published) limits regarding the To field and is very very
likely to be larger than you'll ever hit (like, say, 2+ million) if any.
Your ISP, on the other hand, might have limits.
Check with whomever is your e-mail provider as they establish their
own anti-spam quotas.
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.