Update Universe Sandbox software if you cannot access UBOX files. Newer versions may support formats that older versions do not. UBOX files are ZIP archives with .ubox extensions. They contain XML data specifying simulation parameters. The default software to open UBOX files is Universe Sandbox.
Below are tips on opening UBOX files and programs supporting them. UBOX files are renamed .ZIP archives with .ubox extensions. The compressed XML data specifies simulation parameters. To open UBOX files, use the Universe Sandbox application for Windows. If Universe Sandbox cannot handle UBOX files, updating it may add support for newer formats. Only the latest Universe Sandbox version supports current UBOX formats. Check UBOX files from unknown sources for viruses. Misspelled UBOX extensions like .box and .ubx are common.
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