Close a Solution
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
You can close a solution and remove it from Solution Explorer. Closing a solution makes it unavailable for use by Solution Explorer.
Note
Closing Solution Explorer does not automatically close the solution. It only hides the Solution Explorer window.
To close a solution
- On the File menu, click Close Solution.