What is a Grapher GBK file?

A GBK file is a Grapher backup file. This contains an intermediate copy of your current graphing project including all modified documents. If automatic backups are turned on in Grapher, a GBK file automatically saves to a specified directory every x minutes.


To create a GBK file, click File | Options. On the left side of the Options dialog, click Backup. On the right side of the dialog, check the box next to the Auto backup on. Set the Backup file path and the Save every interval. Click OK and the GBK file is saved in the selected directory at the desired interval.


Updated December 12, 2017

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