If you've seen articles written by the author of this article about how Word and Excel automatically save files every 1 minutes, you can simply ignore this article because Word, Excel, and PPT are almost identical in their automatic saving methods, at best, the names are different. The author of Office PowerPoint version of this article is 2007.
Office PowerPoint 2007 Automatic Save Settings method
1. Open the Microsoft Office PowerPoint 2007 Software in the Start menu to find and open.
2. After normal opening PowerPoint2007, as shown in the following figure, locate the Office button in the lower-left corner of the PowerPoint2007 window and click, locate and click PowerPoint Options in the menu that pops up.
3. After opening the PPT option, locate and click "Save" on the left and change the default 10 minutes to 1 minutes on the right.
PowerPoint2007 Auto Save digression
PowerPoint2007 default will also automatically save, this automatic save time for 10 minutes, mainly 10 minutes a bit longer. In the Save this window, there are more options to set, such as canceling the PowerPoint2007 automatically save the "Save AutoRecover interval" Before the check box is removed and then determined to take effect.
In the POWERPOINT2007 option save setting, there is also a default file path, which is a temporary file that ppt2007 automatically saves, which is usually generated automatically every minute. If you keep it properly, the file will automatically disappear and you won't see it.