Ok, this is one for the real MacOS experts. What I want to do is reclaim unused disk blocks from an SQLite file and free those so they can be used for something else. sqlite_sparse on Github does ...

After saving the file, go to its location, right-click on it, select Rename, and then change the extension to .tbl. Read: What is HAR file? How to Generate or Open HAR Files?

WDB files are used in Windows Work Database, and since they are discontinued, you need to use one of these methods to open WDB files ...

You’ll get a screen like the one below. Click to open: Share and Storage Management To see what files are open on your system, from the Action pane of the tool, choose Manage Open Files.