1Password for iOS doesn't display .eml files

Hello @dbates6! 👋

I'm sorry for the delay in responding. iOS works a little differently than macOS does and, at the moment, you're correct that it's not possible to preview EML files using the 1Password for iOS app. Certain built-in file formats such as PDF can be previewed and one option here is to export the email as a PDF instead of exporting it as a EML.

When I sign up for a new site, often times they will send me an email with details that I'd like to save

I don't think that I've run into this sort of use case before and I'd like to learn more to see if 1Password can be improved to store the details that you need more conveniently. What kind of information is in the emails and are custom fields potentially a better way to store that information: Customize your 1Password items

I look forward to hearing from you. 😊