File Extension SLS8

  • Full name
    Microsoft Excel 98 For Mac Template
  • Developer
    Microsoft Corporation
Have you encountered a problem with a SLS8 file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a SLS8 file here. In the further part of this page we have added a list of programs that should open your SLS8 file. It is enough you choose a proper application for your operating system, download and install it.


The file extension sls4 was used by the version 98 of the Microsoft Excel spreadsheet for the Apple Macintosh for templates. Several versions of Excel for the Apple MacIntosh used the extension sls for templates followed by the version number of Excel.

The default version of this type of file is xlt or since the 2007 version of the Microsoft Office xltx.

Programs which can open a SLS8 file

How to open a SLS8 file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the SLS8 file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a SLS8 file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support SLS8 files. At this point we are looking for disk space where the application was installed in and we can link it with a SLS8 file. Since then, our operating system will use the selected program to support all SLS8 files.

Other issues

Despite the described problem with SLS8 there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the SLS8 file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the SLS8 file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

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