# Unable to use filters in a 3d mesh

**URL:** https://discourse.paraview.org/t/unable-to-use-filters-in-a-3d-mesh/8577
**Category:** ParaView Support
**Created:** [December 7, 2021, 10:18am UTC](https://discourse.paraview.org/t/unable-to-use-filters-in-a-3d-mesh/8577 "2021-12-07T10:18:47Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [December 7, 2021, 12:52pm UTC](https://discourse.paraview.org/t/unable-to-use-filters-in-a-3d-mesh/8577/2 "2021-12-07T12:52:48Z")

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> [@I've just opened my dataset. I can't add filters, and everything is greyed out](https://discourse.paraview.org/t/ive-just-opened-my-dataset-i-cant-add-filters-and-everything-is-greyed-out/4511):
>
> Make sure your dataset is selected in the Pipeline Browser Click apply (in the Properties tab) if the apply button is green

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