Create personalized emails and letters without making each one yourself.

Start with your spreadsheets and templates. Letterbatch prepares each person’s email or letter with their own details and attachments.

Data is scattered across files

Merge data from different spreadsheets.

Combine data from Excel or CSV files in Letterbatch, without YouTubing complicated formulas. Then use it to prepare each person’s emails and documents.

Everyone’s data is in one spreadsheet

Split one spreadsheet into files and tables for each person.

Letterbatch pulls out each person’s rows. Use them as an attachment, or as a table in their Word document or email. No copying and pasting rows for each person.

Missing data is easy to overlook

See your merge fields and check for missing data.

See which spreadsheet each field comes from and how many people have data that needs checking. Review missing values before adding the field to your email or document.

Create emails and documents without sending your files to our servers.

Open Letterbatch and choose your files. Your computer does the work to prepare each person’s emails and documents. Letterbatch’s servers don’t receive or store their contents.

  • No plugin to install.
  • No mailbox connection needed to prepare your emails.
  • No AI processing of your files.
  • No uploading your files to our servers.

Questions & answers

Does Letterbatch do mail merge with attachments?

Yes. Letterbatch can create each person’s Word, PDF or Excel attachments and include them with their prepared email. Download the files, then send them using your own email tools.

What files can I use?

Use Excel (.xlsx) or CSV spreadsheets, Word (.docx) templates, and PDFs you want to share with everyone. Word formatting and email appearance can vary, so review your prepared files before sending.

Does Letterbatch send emails?

No. It prepares email files for download. You use your own email tools to send them.

How can Letterbatch work with my files without uploading them?
  1. Open Letterbatch. Your computer loads the tool that will do the work.

  2. Choose your files. Letterbatch opens your spreadsheets and documents so you can work with them.

  3. Prepare your emails and documents. Your computer uses Letterbatch to create each person’s communications.

  4. Download the results. Save the prepared files and send them using your own email tools.

You need an internet connection to open Letterbatch and sign in.

Do I need to install a plugin or connect my mailbox?

No. Open Letterbatch as a website and choose your files. You don’t need a Word or Outlook plugin, or mailbox access, to prepare your communications.

Can I use it today?

Not yet. Join the beta waitlist for updates about availability.

Join the beta waitlist.

Letterbatch isn’t available yet. Sign up for updates.

Join the beta waitlist

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