STICKY for popular acronyms

[semicodin]

My latest one is MBDU. What does it stand for please?

[TheQwerty]

Acronyms

4KN 4 Key Navigation
6KN 6 Key Navigation
AB Address Bar
AC Access Control
ADP Application Data Path
AL Action Log
BC Breadcrumbs, Breadcrumb Bars
BV Branch View
CAS Click and Search
CAT Click and Tag
CC Custom Columns
CF Color Filters
CEA Custom Event Actions
CFA Custom File Associations
CFI Custom File Icons
CKS Custom Keyboard Shortcuts
CLI Command Line Interpreter
CTB Custom Toolbar Buttons
DFF Duplicate File Finder
DP Dual Pane
DUB Droppable User Buttons
FP Floating Preview
FS Flat Select
FSC Folder Size Caching
FSP Full Screen Preview
FV Flat View
FVS Folder View Settings
FVSVF Folder View Settings with Visual Filters
GF Ghost Filter
GVF Global Visual Filters
HPT History per Tab
ICF Instant Color Filters
IP Info Panel
ITT Interface Translation Tool
KS Keyboard Shortcut
LFB Live Filter Box
LBM Loose Boolean Match
MBV Multi Branch View
MCN Mouse Click Navigation
MFS Multi Field Search
MDBU Mouse Down Blow Up
MOBU Mouse Over Blow Up
MLS Multilingual Support
MLOS Multi Location Search
MRU Most Recently Used
MSR Multi Script Resource
MT Mini Tree
NP Navigation Panel
PCSO Permanent Custom Sort Order
PAF Paste and Find
PD Portable Device
PF Paper Folder
PFA Portable File Associations
PFI Portable File Icons
PML Portable Metadata Layouts
POM Portable Openwith Menu
PP Preview Pane
PV Permanent Variable
QNS Quick Name Search
QS Quick Search
QSB Quick Search Bar
RB Recycle Bin
RFO Rich File Operation
RS Rename Special
SB Status Bar
SC Scripting Command
SCS Sticky Checkbox Selection
SFS Single File Search
SIL Search In List
SRC Search Results Caching
TAF Type Ahead Find, Find As You Type
TB Toolbar
TNC Tree Node Crumbs
TPT Tree Path Tracing
TSF Type Stats and Filter
UB User Button
UDC User-Defined Commands
UDF User-Defined Functions
VF Visual Filters
VFO Virtual Folder
VLP Volume Label Paths

[highend]

MBDU.

MouseBlowDownUp^^

[admin]

OLO