diff --git a/Aaru.Filesystems/AppleDOS/Analyze.cs b/Aaru.Filesystems/AppleDOS/Analyze.cs
new file mode 100644
index 000000000..3cb8578d6
--- /dev/null
+++ b/Aaru.Filesystems/AppleDOS/Analyze.cs
@@ -0,0 +1,206 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Analyze.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Apple DOS filesystem plugin.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2026 Natalia Portillo
+// ****************************************************************************/
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Aaru.CommonTypes;
+using Aaru.CommonTypes.Enums;
+using Aaru.CommonTypes.Structs;
+using Aaru.Helpers;
+
+namespace Aaru.Filesystems;
+
+/// <inheritdoc />
+public sealed partial class AppleDOS
+{
+#region IReadOnlyFilesystem Members
+
+    /// <inheritdoc />
+    public ErrorNumber GetFilesWithAffectedSectors(IEnumerable<(ulong Start, ulong End)> sectorExtents,
+                                                   out List<FileSectorInfo>              files,
+                                                   InitProgressHandler                   initProgress   = null,
+                                                   UpdateProgressHandler                 updateProgress = null,
+                                                   PulseProgressHandler                  pulseProgress  = null,
+                                                   EndProgressHandler                    endProgress    = null)
+    {
+        files = [];
+
+        if(!_mounted) return ErrorNumber.AccessDenied;
+        if(sectorExtents is null) return ErrorNumber.InvalidArgument;
+
+        List<(ulong Start, ulong End)> normalizedExtents = NormalizeAnalyzeExtents(sectorExtents);
+
+        if(normalizedExtents.Count == 0 || _catalogCache is null || _catalogCache.Count == 0)
+            return ErrorNumber.NoError;
+
+        try
+        {
+            initProgress?.Invoke();
+            pulseProgress?.Invoke("/");
+
+            string[] orderedEntries = _catalogCache.Keys.OrderBy(static entry => entry,
+                                                                 StringComparer.CurrentCultureIgnoreCase)
+                                                   .ToArray();
+
+            long maximum = orderedEntries.Length > 0 ? orderedEntries.Length : 1;
+
+            for(var i = 0; i < orderedEntries.Length; i++)
+            {
+                string entryPath = "/" + orderedEntries[i];
+
+                updateProgress?.Invoke(entryPath, i + 1, maximum);
+
+                ErrorNumber errno = AddOverlappingFile(entryPath, orderedEntries[i], normalizedExtents, files);
+
+                if(errno != ErrorNumber.NoError) return errno;
+            }
+
+            return ErrorNumber.NoError;
+        }
+        finally
+        {
+            endProgress?.Invoke();
+        }
+    }
+
+#endregion
+
+    ErrorNumber AddOverlappingFile(string path, string filename, IReadOnlyList<(ulong Start, ulong End)> sectorExtents,
+                                   List<FileSectorInfo> files)
+    {
+        ErrorNumber errno = FindOverlappingExtents(filename,
+                                                   sectorExtents,
+                                                   out List<(ulong Start, ulong End)> overlaps,
+                                                   out ulong inode);
+
+        if(errno          == ErrorNumber.NoSuchFile) return ErrorNumber.NoError;
+        if(errno          != ErrorNumber.NoError) return errno;
+        if(overlaps.Count == 0) return ErrorNumber.NoError;
+
+        files.Add(new FileSectorInfo
+        {
+            Path            = path,
+            Inode           = inode,
+            AffectedSectors = overlaps
+        });
+
+        return ErrorNumber.NoError;
+    }
+
+    ErrorNumber FindOverlappingExtents(string filename, IReadOnlyList<(ulong Start, ulong End)> sectorExtents,
+                                       out List<(ulong Start, ulong End)> overlaps, out ulong inode)
+    {
+        overlaps = [];
+        inode    = 0;
+
+        if(string.IsNullOrWhiteSpace(filename)) return ErrorNumber.InvalidArgument;
+
+        string normalizedName = filename.ToUpperInvariant();
+
+        if(!_catalogCache.TryGetValue(normalizedName, out ushort trackSector)) return ErrorNumber.NoSuchFile;
+
+        inode = trackSector;
+
+        var lba = (ulong)(((trackSector & 0xFF00) >> 8) * _sectorsPerTrack + (trackSector & 0xFF));
+
+        if(lba == 0 || lba >= _device.Info.Sectors) return ErrorNumber.NoError;
+
+        HashSet<ulong> visitedTrackSectorLists = [];
+
+        while(lba != 0 && lba < _device.Info.Sectors && visitedTrackSectorLists.Add(lba))
+        {
+            ErrorNumber errno = _device.ReadSector(lba, false, out byte[] tsSectorBytes, out _);
+
+            if(errno != ErrorNumber.NoError) return errno;
+
+            TrackSectorList tsSector = Marshal.ByteArrayToStructureLittleEndian<TrackSectorList>(tsSectorBytes);
+
+            if(tsSector.entries is not null)
+            {
+                foreach(TrackSectorListEntry entry in tsSector.entries)
+                {
+                    var blockLba = (ulong)(entry.track * _sectorsPerTrack + entry.sector);
+
+                    if(blockLba == 0 || blockLba >= _device.Info.Sectors) break;
+
+                    AddExtentOverlaps(blockLba, blockLba, sectorExtents, overlaps);
+                }
+            }
+
+            lba = (ulong)(tsSector.nextListTrack * _sectorsPerTrack + tsSector.nextListSector);
+        }
+
+        overlaps = NormalizeAnalyzeExtents(overlaps);
+
+        return ErrorNumber.NoError;
+    }
+
+    static void AddExtentOverlaps(ulong                                   startSector, ulong endSector,
+                                  IReadOnlyList<(ulong Start, ulong End)> sectorExtents,
+                                  List<(ulong Start, ulong End)>          overlaps)
+    {
+        foreach((ulong Start, ulong End) requestedExtent in sectorExtents)
+        {
+            if(requestedExtent.End < startSector || requestedExtent.Start > endSector) continue;
+
+            overlaps.Add((Math.Max(startSector, requestedExtent.Start), Math.Min(endSector, requestedExtent.End)));
+        }
+    }
+
+    static List<(ulong Start, ulong End)> NormalizeAnalyzeExtents(IEnumerable<(ulong Start, ulong End)> extents)
+    {
+        var orderedExtents = extents.Where(static extent => extent.End >= extent.Start)
+                                    .OrderBy(static extent => extent.Start)
+                                    .ThenBy(static extent => extent.End)
+                                    .ToList();
+
+        List<(ulong Start, ulong End)> normalizedExtents = [];
+
+        if(orderedExtents.Count == 0) return normalizedExtents;
+
+        (ulong Start, ulong End) currentExtent = orderedExtents[0];
+
+        for(var i = 1; i < orderedExtents.Count; i++)
+        {
+            if(orderedExtents[i].Start <= currentExtent.End + 1)
+            {
+                currentExtent.End = Math.Max(currentExtent.End, orderedExtents[i].End);
+
+                continue;
+            }
+
+            normalizedExtents.Add(currentExtent);
+            currentExtent = orderedExtents[i];
+        }
+
+        normalizedExtents.Add(currentExtent);
+
+        return normalizedExtents;
+    }
+}
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