The extension prs identifies a presentation of the presentation software Lotus Freelance Graphics. This file extension was only used by the version for the OS / 2 operating system.
A prs file can contain, in addition to formatted text, lists, images, graphics, media, and spreadsheets, broken down into slides, slides, or slides.
Originally developed by Lotus Corporation, Lotus Freelance Graphics was a very popular application as part of Lotus SmartSuite in the 1990s. IBM acquired Lotus in 1995 and integrated the software into its own products. IBM Lotus SmartSuite is still available in version 9.8.
Older versions of Microsoft PowerPoint can read the format.
Most often resolving problems with opening PRE files is very simple. Just install an appropriate program that supports such files. All of the listed programs support PRE files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of PRE files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate PRE files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the PowerPoint applications is not on the list, select "Browse" option in order to manually locate the directory where PowerPoint has been installed.
Sometimes problems with opening PRE files may not lie with the application itself, but can arise due to other causes, such as: