# Importing XFDF has failed

**URL:** https://pdfjs.community/t/importing-xfdf-has-failed/1006
**Category:** Technical Support
**Created:** [September 29, 2021, 6:43am UTC](https://pdfjs.community/t/importing-xfdf-has-failed/1006 "2021-09-29T06:43:58Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)
#### Post date: [September 29, 2021, 6:44am UTC](https://pdfjs.community/t/importing-xfdf-has-failed/1006/2 "2021-09-29T06:44:03Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:
- [XFDF format - In PDF.js Express Web Viewer](https://pdfjs.express/documentation/annotation/xfdf#in-pdf.js-express-web-viewer)
- [Real-time collaboration client](https://pdfjs.express/documentation/collaboration/realtime-collaboration-client.8)
- [PDF.js Express Documentation - Annotation](https://pdfjs.express/documentation#annotation)

APIs:
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [ExpressUtils(optionsopt) - # async set() → {Promise.}](https://pdfjs.express/api/utils/ExpressUtils.html#set__anchor)
- [Core](https://pdfjs.express/api/Core.html#__anchor)

Forums:
- [How to merge signature annotation with PDF document](https://pdfjs.community/t/how-to-merge-signature-annotation-with-pdf-document/558/1)
- [How to disable widgets and links using exportAnnotCommand](https://pdfjs.community/t/how-to-disable-widgets-and-links-using-exportannotcommand/981/1)
- [Field values not encoded properly](https://pdfjs.community/t/field-values-not-encoded-properly/380/1)

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