A .sparc file, alternatively recognized as a Skype Plugin Archive, serves as a bundle encompassing extra features or enhancements for the Skype application. These plugins have the capacity to introduce a diverse range of capabilities such as Call recording, Screen sharing, Translation,
Games and Entertainment, Custom emoticons and themes.
SPARC File Format - More Information
In certain versions of Skype, the Extras Manager is an elective component that can be integrated into the Skype installation. If you encounter difficulties installing a SPARC file, it’s possible that you omitted the Extras Manager during the initial installation. To address this issue, reinstall Skype and ensure that you select the Extras Manager option.
How to Install Skype Plugin?
Steps to install Skype plugins:
Obtain the .sparc file corresponding to the desired plugin.
Close Skype if it is currently running.
Locate the downloaded .sparc file and double-click on it.
Follow the on-screen instructions to complete the plugin installation.
After the installation, restart Skype to activate the plugin.