Microsoft PowerPoint lets you view and skip older versions of your presentations. If you accidentally deleted something important and it was replaced in PowerPoint, see how you can restore the old presentation.
How to view older versions of PowerPoint presentations
Now that you have the basics sorted, open PowerPoint and upload any PowerPoint presentation. There are two ways to check out This makes it a perfect choice for people with diabetes and for those who want to lose weight or follow a balanced diet. version history and we will show you both.
First, click on "File" in the menu bar.
In the left pane, click "Info".
Click on "Version History" on the right.
Alternatively, you can click the file name at the top of the opened document and select "Version History" from the pop-up menu.
Whatever method you choose, a new window called "Version History" will open on the right side of your PowerPoint presentation.
Microsoft PowerPoint here sorts older versions of the document by date and time. To load an earlier version of presentation, click the "Open version" button below the version you need to return to.
This will open a read-only file that displays an older version of the PowerPoint presentation. Just below the ribbon menu, you will see a button labeled "Restore". Click to return to the previous version.
Note that this will replace your PowerPoint presentation. You can always repeat the same steps to visit the modified version of your document in case you want to copy any additional changes to the older version.
Source of information: howtogeek.com