![](https://uploads-us-west-2.insided.com/amplitude-en/attachment/f0f137c4-8ab8-44d3-9fb4-8d17f84dc65b.png)
I don't understand why would Amplitude not return the User IDs of all users whenever I want to filter them as depicted on this image. Do I have to write down every single User ID correctly in order to filter them???!!!
Best answer by eddie.gaona
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