You may experience an unexpected shutdown before saving your PDFs, which will make you annoyed because of the data loss. In order to avoid this situation, PDF Reader Pro supports automatic backup at regular intervals so that you can easily recover unsaved files. By default, your data will be saved every 5 minutes. You can also customize Auto-backup Interval.
PDF Reader Pro Mac
How to Customize Auto-backup Interval?
1. Launch PDF Reader Pro;
2. Click PDF Reader Pro on the main menu -> Settings -> General;
3. Find Auto-save Documents Time Interval, and enter your preferred auto-backup interval in the value box.
4. Or uncheck Auto-save Document to turn off auto-backup.
PDF Reader Pro Windows
1. Launch PDF Reader Pro;
2. Click File at upper left corner -> Settings -> General;
3. Find Autosave Interval, and enter your preferred auto-backup interval in the value box;
4. Or uncheck Autosave Interval to turn off auto-backup.
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