I would love this feature too.
- Ability to set Obsidian as default app for opening .md files
- If the .md file is already in one of Obsidian’s vaults, then Obsidian opens that file in that vault.
- but if the file is not in one of Obsidian’s vaults then:
- obsidian simply opens the file as an editor (without graph, backlinks support etc.) and
- obsidian offers to import the file into the vault of your choice
- but if the file is not in one of Obsidian’s vaults then: