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Personalized emails, documents, and attachments, ready for review.

Start with your spreadsheets, templates, PDFs, and files. Letterbatch prepares what each person needs, shows what needs attention, and gets the results ready for export.

The complete communication

Everything for one person, prepared together.

The email is only one part of the job. Letterbatch brings the message, documents, related data, attachments, and mail outputs into one reviewable result for each person, instead of making you assemble and check it one person at a time.

People and data

Start with the spreadsheet that defines your recipients, then connect the other rows and values their communication needs.

Email content

Prepare a different subject and message for each person or group from the same controlled batch.

Documents and files

Create personalized PDFs, add related rows as a table, and match existing files to the right person.

Email and mail

Prepare the digital message and the mailed packet from the same people, data, and approved content.

Your files stay on your device.

Recipient lists, documents, email content, and generated files are prepared in your browser, not uploaded to or stored on Letterbatch’s servers.

No file uploadNo mailbox access
How we protect your data
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Review

Review the communication, not just the template.

See the resolved email, documents, data, and files for one person before you export the batch.

Preview the actual subject, body, and personalized content for the person you are reviewing.

Review the PDFs, matched files, and related data that belong with that person’s communication.

Find missing required values, unmatched files, and unclear results before they become someone else’s problem.

Letterbatch prepares the outputs. You decide when they move into your organization’s email or mail process.

Why Letterbatch

The work is bigger than mail merge.

Filling a template is one step. The complete job includes related data, personalized documents, the right files, visible exceptions, and a reviewable result for every person.

Start with: One main list and the spreadsheet that contains each person’s related rows.

Letterbatch prepares: One communication per person with their matching rows in the email, a PDF, or a separate file.

Product video coming soon
Product video coming soon
Product video coming soon
One workflow

From source files to a reviewable handoff.

Bring the inputs together once, prepare what changes for each person, and resolve defined gaps before you download the finished work.

Watch the product walkthrough

Bring the work together

Use the spreadsheets, templates, documents, and files your communication already depends on.

Prepare each person’s result

Resolve the message, related data, PDFs, matched files, and channel outputs for each person.

See what needs attention

Review missing required values, unmatched files, and unclear results before the handoff leaves your control.

Product video coming soon
Your handoff

You stay in control of what happens next.

Letterbatch prepares the communication for review and download. You move it into the email, mail, or records process your organization already controls.

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Download individual email files or use the customer-run Power Automate handoff for editable Outlook drafts.

Download print-ready letters, envelopes, or label sheets for your approved mail process.

Keep each person’s finished files and the batch handoff in the storage system you already use.

Put the one-at-a-time workinto one reviewable workflow.

Request an invitation for beta updates and future access. Product access is not yet generally available.

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Tell us a little about the work and we’ll be in touch.

We use your details only to reply about early access.