# PDF/A

> Archive WPF documents as PDF/A-3a with StreamType.AdobePDFA: embeddable fonts, AdaptFont logging, PDF/A rules, folder conversion and checking in Acrobat.

- **Product:** TX Text Control .NET for WPF
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET for WPF > PDF Processing > PDF/A
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/llms-full.txt

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## On This Page

- [What PDF/A Is](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#what-pdf-a-is)
- [What TX Text Control Writes](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#what-tx-text-control-writes)
- [The Rules of PDF/A](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#the-rules-of-pdf-a)
- [Save the Window's Document as PDF/A](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#save-the-window-s-document-as-pdf-a)
- [Archive a Folder of Documents](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#archive-a-folder-of-documents)
- [Check the Result](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#check-the-result)
- [Electronic Invoices and Signatures](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#electronic-invoices-and-signatures)
- [Next Steps](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/pdf-a/#next-steps)

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## Nearby

- **Previous:** [PDF Import and Its Limitations](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/import/llms.txt)
- **Next:** [Font Embedding and Substitution](https://docs.textcontrol.com/tx-text-control-dotnet-wpf/pdf/fonts/llms.txt)