# EndNote PDF view error

**URL:** <https://community.endnote.com/t/endnote-pdf-view-error/288307>\
**Category:** EndNote General\
**Created:** [October 5, 2021, 10:59pm UTC](https://community.endnote.com/t/endnote-pdf-view-error/288307 "2021-10-05T22:59:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ramiz01](https://avatars.discourse-cdn.com/v4/letter/r/ecc23a/32.png) [@ramiz01](https://community.endnote.com/u/ramiz01)\
**Post date:** [October 5, 2021, 10:59pm UTC](https://community.endnote.com/t/endnote-pdf-view-error/288307/1 "2021-10-05T22:59:41Z")

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Hello everyone,&nbsp;

I am wondering if anyone can help me to figure out what is happening with the PDF viewer of EndNote.&nbsp;

I use EndNote 20.1 which suposed to allow me viewing the PDFs on the same window. However, for some reasons, the attached files are not detected by the EndNote, and as a result, I am unable to view pdfs on the same screen which is very inconvenient. I have created a new library, attached all the PDF articles again, but the error keeps ocrring and tells me that the references are “unfiled”.&nbsp;

I have attached a screenshot that can help you understanding what it looks like in my case. Please have look and any help is appreciated!&nbsp;

Thanks

Ali

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**Author:** ![aldalurane](https://avatars.discourse-cdn.com/v4/letter/a/a87d85/32.png) [@aldalurane](https://community.endnote.com/u/aldalurane)\
**Post date:** [October 13, 2021, 10:29pm UTC](https://community.endnote.com/t/endnote-pdf-view-error/288307/2 "2021-10-13T22:29:47Z")

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I have exactly the same problem and I don’t know what to do. I can see in the ‘Summary’ tab that the pdf is there, and I can open it with Acrobat from Endnote, but the message in the ‘PDF’ viewer tab says ‘No PDFs attached to this reference’.&nbsp;

Sorry I can’t help you, but maybe someone can assist?&nbsp;

Cheers,

Ane