I was invited to a folder and it doesn't not show up on anything and only gives me the following error 
Question
shared folder is not showing up on my files
Hi Tatyana,
Welcome to Box Community and glad to assist!
If you are having trouble accessing a file or folder that has been shared with you, verify that you are signed in to the same Box account that the collaboration invite was sent to.
To rectify this, please follow the steps below:
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Confirm which email the invitation is being sent to.
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Check which email address your Box account is associated to. To do so, go to your Box account, click on your name on the top right hand side, then navigate to "Account Settings."
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Make sure the email address the invitation was sent to matches the email in your account settings.
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If they do not match, have the invitation sent to the email associated with the Box account.
For more details, please visit this article.
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