diff --git a/external/ImGui/include/imgui_memory_editor.h b/external/ImGui/include/imgui_memory_editor.h
index 3505a1d3f..b60c3fc32 100644
--- a/external/ImGui/include/imgui_memory_editor.h
+++ b/external/ImGui/include/imgui_memory_editor.h
@@ -418,16 +418,24 @@ struct MemoryEditor
                         size_t min = std::min(DataPreviewAddr, DataPreviewAddrEnd);
                         size_t max = std::max(DataPreviewAddr, DataPreviewAddrEnd);
 
+                        // Draw vertical line at the left of first byte and the start of the line
                         if (n == 0 || addr == min)
                             draw_list->AddLine(pos, pos + ImVec2(0, s.LineHeight), ImColor(ImGui::GetStyleColorVec4(ImGuiCol_Text)), 1.0F);
+
+                        // Draw vertical line at the right of the last byte and the end of the line
                         if (n == Cols - 1 || addr == max) {
                             draw_list->AddRectFilled(pos + ImVec2(highlight_width, 0), pos + ImVec2(highlight_width + 1, s.LineHeight), color);
                             draw_list->AddLine(pos + ImVec2(highlight_width + 1, -1), pos + ImVec2(highlight_width + 1, s.LineHeight), ImColor(ImGui::GetStyleColorVec4(ImGuiCol_Text)), 1.0F);
                         }
 
-                        if (addr - Cols < min)
+                        // Draw horizontal line at the top of the bytes
+                        if ((addr - Cols) < min)
                             draw_list->AddLine(pos, pos + ImVec2(highlight_width + 1, 0), ImColor(ImGui::GetStyleColorVec4(ImGuiCol_Text)), 1.0F);
-                        if (addr + Cols > max)
+
+                        // Draw horizontal line at the bottom of the bytes
+                        if ((addr + Cols) == (max + 1) && OptMidColsCount > 0 && n > 0 && (n + 1) < Cols && ((n + 1) % OptMidColsCount) == 1)
+                            draw_list->AddLine(pos + ImVec2(-s.SpacingBetweenMidCols, s.LineHeight), pos + ImVec2(highlight_width + 1, s.LineHeight), ImColor(ImGui::GetStyleColorVec4(ImGuiCol_Text)), 1.0F);
+                        else if ((addr + Cols) > max)
                             draw_list->AddLine(pos + ImVec2(0, s.LineHeight), pos + ImVec2(highlight_width + 1, s.LineHeight), ImColor(ImGui::GetStyleColorVec4(ImGuiCol_Text)), 1.0F);
                     }
                 }
diff --git a/plugins/builtin/source/content/views/view_data_inspector.cpp b/plugins/builtin/source/content/views/view_data_inspector.cpp
index eb066845c..e893947c5 100644
--- a/plugins/builtin/source/content/views/view_data_inspector.cpp
+++ b/plugins/builtin/source/content/views/view_data_inspector.cpp
@@ -52,7 +52,7 @@ namespace hex::plugin::builtin {
 
             if (ImHexApi::Provider::isValid() && provider->isReadable() && this->m_validBytes > 0) {
                 if (ImGui::BeginTable("##datainspector", 2,
-                    ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_RowBg,
+                    ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_RowBg,
                     ImVec2(0, ImGui::GetTextLineHeightWithSpacing() * (this->m_cachedData.size() + 1)))) {
                     ImGui::TableSetupScrollFreeze(0, 1);
                     ImGui::TableSetupColumn("hex.builtin.view.data_inspector.table.name"_lang);