This is something I’ve personally been waiting for for a long time. Google Drive is making it easier to find your files by letting you choose the filetype, who it was created by and what software it can be opened by.
Regardless of what device your files came from, you can search for a file type on Android, iOS or the web. You can also perform the advanced searched from the search box, access recent files or search Drive from your iOS home screen with 3D Touch. You can also search using the iOS search box without opening the app.
Yes.

Here’s what the team had to say about it:
These types of advanced search features are something that services like Dropbox, Box and UpThere sorely lack. Since Google has the data and is pretty damn good at search (ha), this is a long long time coming.
