User347430248 posted
Hi wendy elizab..,
First try to take a backup, So if anything goes wrong. You can recover it from the backup.
Further, If we talk about the Web application then you can just try to open it with new version of Visual Studio.
It will give you a message box to migrate the solution. do it and you will be able to run your project with newer version of Visual Studio.
If we talk about SSRS then you also need to take care about supported SQL server database.
I suggest you to refer links below to get detailed information.
Upgrade Reports (SSRS)
Upgrade and Migrate Reporting Services
Embed paginated reports into ASP.NET web apps using the Report Viewer control
Regards
Deepak