Notice and disclaimer: Box is providing this preliminary information subject to further review and analysis. To the best of our knowledge, this is the current state and we may update as more information is confirmed.

On November 14, 2024, between 3:02 AM PST and 9:37 AM PST, some users may have encountered difficulties while using Box. During this time, logged out users could not access files in Preview via public shared folder on web app. The issue occurred as a result of a recent code change in our ongoing effort to improve performance and stability. We were able to resolve the issue by rolling back the code change. In addition, we are working to improve our testing and alerting to prevent similar issues from occurring in the future. 

We are conducting a full engineering postmortem and our overview is subject to change with further analysis and findings. In the event our continuing investigation yields further substantive findings, we may publish additional analysis after the conclusion of the full engineering postmortem.

We are continuously working to improve Box and want to make sure we are delivering the best product and user experience we can. We hope we have provided some clarity here and we would be happy to answer any questions you may still have regarding this matter. 

Sincerely,

The Box Team