When you save your PowerPoint file to a shared computer, it is possible for others to open the file counter and change it.
Different people can easily copy parts of your PowerPoint or simply delete your name and replace it with your own name, if you do not want this to happen to your PowerPoint file.
You must save your files as Read-Only.
This will significantly prevent inadvertent and intentional changes to the file by others or even yourself.
Therefore, if you want to edit a file and then save it, you must first change the Read-Only mode of PowerPoint.
In the following, experienced computer experts will introduce you to solutions that you can use to lock your PowerPoint files and prevent others from modifying, editing and copying your PowerPoint files.
In the next section, we will discuss how to save PowerPoint files as Read-Only, as well as mark the files as the final version. So stay tuned until the end of this article.
Before saving PowerPoint and Word or Excel files as read-only, you should pay attention to the fact that this will only prevent accidental modification of the file by others or even yourself.
But if someone wants to change it, it is enough to take the file out of Read-Only mode and then apply the desired changes to the file.
But to prevent other people from accessing and restricting the PowerPoint file, you have to encrypt it.
For example: You can use WinRAR or 7-Zip software to compress your Word file and then put the password on it.
Learn to save PowerPoint files for read-only
First open the file, then click on the File option in the toolbar at the top of the page.
Now click on the Info option in the sidebar you see.
Now on the right and in the Protect Presentation section, click on the Protect Presentation button.
As you can see, there are several options associated with file protection, but the application of each of these options is different.
In the following section, we have briefly described the use of each:
Always Open Read-Only : (or always open the file as read-only) By selecting this option, when you or someone else opens the file, you will be asked to enable file editing mode, and in fact to avoid changing Random files are a good option.
Encrypt with Password : If you have an important or specific file, this option is a good choice for you, to make the file inaccessible to others with the password you put on it.
Add a Digital Signature : This option, as its name implies, has many uses for adding a digital signature, which is also hidden.
Mark as Final : By marking the Mark as Final option, the person opening the presentation will notice that this file is the latest version designed.
All of the options mentioned above can more or less prevent inadvertent file changes, but you should keep in mind that the degree of privacy protection and security in each of these options is different, so the best The option among them is to encrypt the file.
To convert a regular file to a read-only file, you must select the first option, Always Open Read-Only. By selecting this option, if someone opens the file, they will see a message like the one below.
If you select the last option, Mark as Final, such a message will appear while opening the file.
It is important to know that in both cases, the Edit Anyway button will be displayed so that the user can click on it to activate the file editing mode and apply the desired changes to the file.
But if you encrypt your file, no one can modify or view the file without entering a password, so this is the best option for important business files.