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Use the 'Text Search' filter to look at records that appear in the 'Details' column.
3) Use the search functions to attempt to locate missing files
It is possible that the content has not been deleted but has been moved elsewhere. Using what you can remember about filenames, metadata etc, use search filters to narrow down the possibilities.
4) To avoid the risk of files being accidentally deleted, consider restricting the 'Manage Files' permission on your user accounts:
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