diff --git a/SabreTools.Helper/Data/Flags.cs b/SabreTools.Helper/Data/Flags.cs
index a8b3744f..168b4c3d 100644
--- a/SabreTools.Helper/Data/Flags.cs
+++ b/SabreTools.Helper/Data/Flags.cs
@@ -30,6 +30,7 @@ namespace SabreTools.Helper
 		RedumpSHA1 = 0x080,
 		RedumpSFV = 0x100,
 		SoftwareList = 0x200,
+		OfflineList = 0x400,
 	}
 
 	/// <summary>
diff --git a/SabreTools.Helper/Objects/Dat/DatFile.cs b/SabreTools.Helper/Objects/Dat/DatFile.cs
index 9f6c3ae9..c9dfd577 100644
--- a/SabreTools.Helper/Objects/Dat/DatFile.cs
+++ b/SabreTools.Helper/Objects/Dat/DatFile.cs
@@ -1216,14 +1216,15 @@ namespace SabreTools.Helper
 				case OutputFormat.DOSCenter:
 					ParseCMP(filename, sysid, srcid, gamename, romname, romtype, sgt, slt, seq, crc, md5, sha1, itemStatus, trim, single, root, logger, keep, clean);
 					break;
-				case OutputFormat.RomCenter:
-					ParseRC(filename, sysid, srcid, gamename, romname, romtype, sgt, slt, seq, crc, md5, sha1, itemStatus, trim, single, root, logger, clean);
-					break;
+				case OutputFormat.OfflineList:
 				case OutputFormat.SabreDat:
 				case OutputFormat.SoftwareList:
 				case OutputFormat.Xml:
 					ParseXML(filename, sysid, srcid, gamename, romname, romtype, sgt, slt, seq, crc, md5, sha1, itemStatus, trim, single, root, logger, keep, clean, softlist);
 					break;
+				case OutputFormat.RomCenter:
+					ParseRC(filename, sysid, srcid, gamename, romname, romtype, sgt, slt, seq, crc, md5, sha1, itemStatus, trim, single, root, logger, clean);
+					break;
 				default:
 					return;
 			}
@@ -2006,7 +2007,7 @@ namespace SabreTools.Helper
 		}
 
 		/// <summary>
-		/// Parse an XML DAT (Logiqx, SabreDAT, or SL) and return all found games and roms within
+		/// Parse an XML DAT (Logiqx, OfflineList, SabreDAT, and Software List) and return all found games and roms within
 		/// </summary>
 		/// <param name="filename">Name of the file to be parsed</param>
 		/// <param name="sysid">System ID for the DAT</param>
@@ -2191,6 +2192,47 @@ namespace SabreTools.Helper
 							Version = (String.IsNullOrEmpty(Version) ? xtr.GetAttribute("version") : Version);
 						}
 						xtr.Read();
+						break;
+					// OfflineList has a different header format
+					case "configuration":
+						headreader = xtr.ReadSubtree();
+
+						// If there's no subtree to the header, skip it
+						if (headreader == null)
+						{
+							xtr.Skip();
+							continue;
+						}
+
+						// Otherwise, read what we can from the header
+						while (!headreader.EOF)
+						{
+							// We only want elements
+							if (headreader.NodeType != XmlNodeType.Element || headreader.Name == "configuration")
+							{
+								headreader.Read();
+								continue;
+							}
+
+							// Get all header items (ONLY OVERWRITE IF THERE'S NO DATA)
+							string content = "";
+							switch (headreader.Name.ToLowerInvariant())
+							{
+								case "datname":
+									content = headreader.ReadElementContentAsString(); ;
+									Name = (String.IsNullOrEmpty(Name) ? content : Name);
+									superdat = superdat || content.Contains(" - SuperDAT");
+									if (keep && superdat)
+									{
+										Type = (String.IsNullOrEmpty(Type) ? "SuperDAT" : Type);
+									}
+									break;
+								default:
+									headreader.Read();
+									break;
+							}
+						}
+
 						break;
 					// We want to process the entire subtree of the header
 					case "header":
@@ -2454,13 +2496,6 @@ namespace SabreTools.Helper
 						}
 						else
 						{
-							// There are rare cases where a malformed XML will not have the required attributes. We can only skip them.
-							if (xtr.AttributeCount == 0)
-							{
-								logger.Error("No attributes were found");
-								xtr.Skip();
-								continue;
-							}
 							tempname = xtr.GetAttribute("name");
 							romof = (xtr.GetAttribute("romof") != null ? xtr.GetAttribute("romof") : "");
 							cloneof = (xtr.GetAttribute("cloneof") != null ? xtr.GetAttribute("cloneof") : "");
@@ -2495,6 +2530,22 @@ namespace SabreTools.Helper
 							// Get the roms from the machine
 							switch (subreader.Name)
 							{
+								// For offline lists only
+								case "title":
+									tempname = subreader.ReadElementContentAsString();
+									break;
+								case "romCRC":
+									tempname += (subreader.GetAttribute("extension") != null ? subreader.GetAttribute("extension") : "");
+									crc = subreader.ReadElementContentAsString();
+
+									DatItem olrom = new Rom(tempname, -1, crc, null, null, ItemStatus.None, null, tempname, null, tempname, null, null,
+										null, null, null, null, false, null, null, sysid, null, srcid, "");
+
+									// Now process and add the rom
+									ParseAddHelper(olrom, gamename, romname, romtype, sgt, slt, seq, crc, md5, sha1, itemStatus, trim, single, root, clean, logger, out key);
+									break;
+								
+								// For Logiqx, SabreDAT, and Software List
 								case "description":
 									gamedesc = subreader.ReadElementContentAsString();
 									break;
diff --git a/SabreTools.Helper/Tools/FileTools.cs b/SabreTools.Helper/Tools/FileTools.cs
index 919a439a..a7f14374 100644
--- a/SabreTools.Helper/Tools/FileTools.cs
+++ b/SabreTools.Helper/Tools/FileTools.cs
@@ -90,6 +90,10 @@ namespace SabreTools.Helper
 					{
 						return OutputFormat.SabreDat;
 					}
+					else if (second.StartsWith("<dat"))
+					{
+						return OutputFormat.OfflineList;
+					}
 				}
 
 				// If we have an INI-based DAT