What are Dynamic Link Library Files?

DLL Files, or Dynamic-Link Library Files, are Microsoft's implementation of shared libraries in the Windows operating system. They contain instructions that can be called upon by programmers when developing Windows software. By enabling common functionality through a universally shared library, it enables faster and easier software development because programmers are not required to code everything from scratch.

You can't execute a DLL file on its own. They can only be called upon by another piece of code that is already running. Aptly named, they are dynamic in the sense that they are not always available in the memory — the data contained inside of them is only extracted when a program explicitly calls for it.

Popular Dynamic-link Library File Extensions


Dynamic Link Library Types

File Database Breakdown - Dynamic Link Library File Extensions


Top Dynamic Link Library File Extensions

File Extension Total Number of Files Oldest File (Date) Latest File (Date)
WLL 4 MSREFTLW.WLL
(05/10/2017)
MathPage.wll
(02/04/2020)
PSP 52 XFILE.PSP
(05/10/2017)
XOCR3.PSP
(03/04/2020)
RBF 12 A0000028.rbf
(05/10/2017)
A0000036.rbf
(05/10/2017)
DAT 56619 ChsPinyinUDL_RoamUp.dat
(01/02/1970)
SA.DAT
(03/30/2020)
RS 61 esrb.rs
(07/13/2009)
fpb.rs
(03/18/2017)
MMW 33 CAGCAT.MMW
(05/10/2017)
OFFICE10.MMW
(03/04/2020)
GRM 12 IMJPGN.GRM
(09/18/2006)
IMJPPR.GRM
(07/24/2013)
WPC 5 mswrd632.wpc
(04/14/2008)
mswrd632.wpc
(04/14/2008)
IEC 12 html.iec
(04/14/2008)
html.iec
(03/04/2020)
DIC 633 IMJPCH.DIC
(09/18/2006)
Dummy.dic
(02/22/2020)
FIL 6 IMJPPSGF.FIL
(06/02/2012)
IlSdk.fil
(11/25/2019)
IDX_DLL 234 MSOINTL.DLL.IDX_DLL
(05/10/2017)
MSOINTL.REST.IDX_DLL
(03/16/2020)
AX 1692 ir41_32.ax
(11/02/2006)
ksproxy.ax
(03/04/2020)
DLL 312194 MSOWS409.DLL
(06/06/1999)
mscorlib.ni.dll
(03/30/2020)
RLL 513 sqloledb.rll
(11/02/2006)
msmdsrv.rll
(03/04/2020)
CNV 149 html32.cnv
(04/14/2008)
Wks9Pxy.cnv
(03/04/2020)
SAM 123 lmhosts.sam
(09/18/2006)
PAB.SAM
(02/15/2020)
OCX 442 dmview.ocx
(01/21/2008)
wshom.ocx
(03/04/2020)
WINMD 10159 WinStore.UI.WinMD
(07/25/2012)
Microsoft.UI.Xaml.winmd
(03/30/2020)
TLB 824 mscorlib.tlb
(09/18/2006)
vtxtauto.tlb
(03/05/2020)
MUI 138887 tipresx.dll.mui
(11/02/2006)
dpnet.dll.mui
(03/06/2020)
FLT 370 PICTIM32.FLT
(05/10/2017)
mssdsp.flt
(03/06/2020)
MSSTYLES 18 luna.msstyles
(04/14/2008)
aerolite.msstyles
(03/04/2020)
XLL 12 ANALYS32.XLL
(05/10/2017)
ANALYS32.XLL
(02/12/2020)
CPL 244 telephon.cpl
(11/02/2006)
inetcpl.cpl
(03/04/2020)
WTL 2 wertargets.wtl
(01/21/2008)
wertargets.wtl
(01/21/2008)
FAE 190 DELIMR.FAE
(05/10/2017)
OLNOTE.FAE
(02/15/2020)
MML 33 CAGCAT.MML
(05/10/2017)
OFFICE10.MML
(03/04/2020)
ODF 198 office.odf
(11/21/2014)
office.odf
(03/04/2020)
TSP 45 remotesp.tsp
(11/02/2006)
unimdm.tsp
(03/04/2020)
OLB 194 vsavb7.olb
(10/20/2006)
VEN2232.OLB
(03/04/2020)
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