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You can also search by label, owner, batch and other criteria. NEED HELP WITH THIS FEATURE. IT'S CONFUSING.
Saving Searches
After executing a search, click on "Save Search" to save that query. This is helpful so that you don't have to build the same search query over and over. When you select "Save Search" you'll be saving this as a search filter and can choose whether or not to have this search filter display in your quicklist, and whether it should be publicly viewable.
You'll find that saved search query using the "Load Search" pull down menu or in your quicklist to the left of the Library thumbnails where the other filters are (All, Drafts, Starred, In LUNA Viewer, Batches, Labels).
To manage these saved searches click on "Manage Saved Searches".