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Above the menu is the 'quick search' entry. This will search for matching file names.
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Once the search is done, you can refine or renew the search with more search options, with the search bar just below the menu.
You can select specific components in the drop-down menu to the left of the search bar.
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Search by filename / search by folder
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"Folder A"
Search by metadata
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At first, you will see the number of fields and hovering over it will show exactly which field contains the search term.
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