Visual Studio won't open solution file

Question

I have a VS project (made by someone else), and when I try to open it on Visual Studio 2008, I get the following error message:

\"The selected file is a solution fil

Answer 1

Solution:

Step 1: Go to your project location where the project's . sln file is kept and then Right click on it, choose "Properties". Un check "Read Only" as like given below:

Step 2: Again Go to the location where the project's . sln file is kept and then Right click on it to open it with notepad and change the "Microsoft Visual Studio Solution File, Format Version 12.00" to "Microsoft Visual Studio Solution File, Format Version 11.00" on the file.