# Upload component Accept filter

**URL:** <https://forum.radzen.com/t/upload-component-accept-filter/9652>\
**Category:** Blazor Server\
**Created:** [December 14, 2021, 7:11pm UTC](https://forum.radzen.com/t/upload-component-accept-filter/9652 "2021-12-14T19:11:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rwdevalcourt](https://forum.radzen.com/letter_avatar_proxy/v4/letter/r/a4c791/32.png) [@rwdevalcourt](https://forum.radzen.com/u/rwdevalcourt)\
**Post date:** [December 14, 2021, 7:11pm UTC](https://forum.radzen.com/t/upload-component-accept-filter/9652/1 "2021-12-14T19:11:44Z")

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what worked:  
\<RadzenUpload Url="upload/single"  
Style="margin-bottom: 20px;"  
Accept=".pdf"  
Auto="true"  
Progress=@(args =\> OnProgress(args, "Single file upload"))\>

what didn't work:  
\<RadzenUpload Url="upload/single"  
Style="margin-bottom: 20px;"  
Accept="pdf files(_.pdf)/.pdf|word (_.doc)/.doc|word (\*.docx).docx"  
Auto="true"  
Progress=@(args =\> OnProgress(args, "Single file upload"))\>

\<RadzenUpload Url="upload/single"  
Style="margin-bottom: 20px;"  
Accept="pdf files(_.pdf)|.pdf|word (_.doc)|.doc|word (\*.docx)|.docx"  
Auto="true"  
Progress=@(args =\> OnProgress(args, "Single file upload"))\>

---

<div class="post-metadata">

**Author:** ![korchev](https://forum.radzen.com/user_avatar/forum.radzen.com/korchev/32/4_2.png) [@korchev](https://forum.radzen.com/u/korchev)\
**Post date:** [December 15, 2021, 6:48am UTC](https://forum.radzen.com/t/upload-component-accept-filter/9652/2 "2021-12-15T06:48:32Z")

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Hi @rwdevalcourt,

You can check this thread which explains what the valid values are: [Blazor Upload file - #2 by korchev](http://forum.radzen.com/t/blazor-upload-file/7072/2)