# Merge Fields

> Map merge field names to JSON and object data with dot notation, insert fields in MS Word, the Document Editor or C#, and format merged numbers and dates.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > Getting Started > Mail Merge > Merge Fields
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/llms-full.txt

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## On This Page

- [What a Merge Field Is](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#what-a-merge-field-is)
- [Map Field Names to Data](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#map-field-names-to-data)
- [Insert Merge Fields in the Document Editor](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#insert-merge-fields-in-the-document-editor)
- [Insert Merge Fields in MS Word](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#insert-merge-fields-in-ms-word)
- [Insert Merge Fields in Code](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#insert-merge-fields-in-code)
- [Format Merged Values](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#format-merged-values)
- [Change Existing Merge Fields](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#change-existing-merge-fields)
- [Handle Missing Data](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#handle-missing-data)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/fields/#next-steps)

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## Nearby

- **Previous:** [Simple Mail Merge](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/simple/llms.txt)
- **Next:** [Merge Blocks](https://docs.textcontrol.com/tx-text-control-dotnet-server/getting-started/mail-merge/blocks/llms.txt)