obsidian://vault/vaultname
, where vaultname is the name of the folder of the vault.obsidian://vault/vaultname/path/to/file
.obsidian:///absolute/path/to/file
or on Windows obsidian:///C:\path\to\file
(forward slash also works). This will open the file in the most nested vault that's capable of opening this file.Exec=obsidian %u
. Details see here.