One list. A different message for every group.
Use any detail in your data to create communication groups, preview who is included, and choose what each group receives.
Use state, role, specialty, performance, or any other column in your list.
Combine conditions when the right group depends on more than one detail.
See the recipient count and real rows before you create anything.
Prepare email drafts, a print-ready mail package, both, or just the personalized documents.
Attachments that do
more than attach.
Upload Word, PDF, Excel, or CSV files, then use them as-is, personalize them, split them, or match them by recipient.
Use it as-is
Attach the same approved letter, flyer, instructions, or other file to every communication.
Personalize it
Add merge fields to a document, turn spreadsheet rows into individual files, or place personalized data directly in an email.
Match files automatically
Use a name, ID, or other detail in each file name to attach the right file to each recipient.
Find it. Fix it. Prove it.
Letterbatch flags potential issues from upload to download, gives you ways to resolve them, and records what happened.
See validation in actionFind what needs attention
Check uploads, matched records, merge fields, email addresses, mailing addresses, and finished communications.
Fix it your way
Correct one value, apply a rule, upload changes, or decide the original data should stay.
Prove what happened
Preview real recipients and download a receipt showing the outcome for every person.
Create once. Export everywhere.
Export Outlook-ready drafts, Power Automate data, print-ready mail packages, and finished files for your records.
See outputs in actionExport complete Outlook drafts or JSON files for Power Automate.
Create print-ready packages for you or your print vendor.
Download each recipient’s finished files for storage, audits, or another system.