Viewing photos or videos in Playback modePlayback/Editing 89Protecting a fileProtect a file from accidental deletion.1 In Playback mode, select a file to protect.2 Press [ ], and then select Protect → On.3 Repeat steps 1 and 2 to protect additional files.You cannot delete or rotate a protected file.Deleting filesSelect files to delete in Playback mode.Deleting a single fileYou can select one file, and then delete it.1 In Playback mode, select a file, and then press [ ].2 When the pop-up message appears, select Yes.You can also delete files in Playback mode by pressing [ ], and thenselecting Delete → Delete → Yes.Deleting multiple filesYou can select multiple files, and then delete them at once.1 In Playback mode, press [ ].• When in thumbnails view, press [ ], select Delete → Select, and thenskip to step 3, or press [ ], select Select, and then skip to step 3.2 Select Delete → Multiple Delete.3 Scroll to each file you want to delete, and then press [ ].• Press [ ] again to cancel your selection.• You can also select files by touching them.4 Press [ ].5 When the pop-up message appears, select Yes.