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I'm trying to set up an android build in Visual Studio App Center, but when trying to upload our keystore file I get the error "Not a valid keystore file". Could anyone think of a reason this could be happening? I have manually created a new keystore and that one seems to work. I can't use this though because its an existing app and would force users to uninstall and reinstall the app.

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Craigt
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2 Answers2

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Make sure the keystore file you are uploading has a file extension. MS appcenter doesn't like keystore files without an extension.

Name your file with a .keystore extension before uploading it and that should resolve the problem

Zayin Krige
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In my case the file did not have a name; ie .keystore, changing this to MyApp.keystore resolved the problem

Dooie
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