diff --git a/Data/Abbr/computing.csv b/Data/Abbr/computing.csv
index 3af7734b..4cca0b64 100644
--- a/Data/Abbr/computing.csv
+++ b/Data/Abbr/computing.csv
@@ -571,10 +571,7 @@ CMOS,Complementary Metal–Oxide–Semiconductor
 CMOx,conductive metal-oxide
 CMR,customer-managed relationship
 CMRP,Capacitated Material Requirements Planning
-CMS,Centers for Medicare & Medicaid Services
-CMS,Cisco Meeting Server
-CMS,content management system
-CMS,Conversational Monitor System
+CMS,"Content Management System, Cisco Meeting Server, Conversational Monitor System"
 CMTS,cable modem termination system
 CMYK,"cyan, magenta, yellow, key"
 CNA,converged network adapter
@@ -658,15 +655,8 @@ CSMA,Carrier Sense Multiple Access
 CSO,Chief Security Officer
 CSO,Chief Strategy Officer
 CSP,Commerce Service Provider
-CSR,Certificate Signing Request
-CSR,Carrier Sensitive Routing
-CSR,corporate social responsibility
-CSS,Cascading Style Sheets
-CSS,Content Scrambling System
-CSS,customer self-service
-CSS,customer service and support
-CSS1,"Cascading Style Sheet, level 1"
-CSU/DSU,Channel Service Unit/Data Service Unit
+CSR,"Certificate Signing Request, Carrier Sensitive Routing, corporate social responsibility"
+CSS,"Cascading Style Sheets, Content Scrambling System, customer self-service, customer service and support"
 CSV,Cluster Shared Volumes
 CSV,Comma Separated Values (a file format)
 CTC,click-to-talk
@@ -1079,6 +1069,7 @@ EVM,Earned Value Management
 EWS,Exchange Web Services
 EWSD,Electronic Worldwide Switch Digital
 ExBPA,Exchange Best Practices Analyzer
+EXIF,Exchangeable Image File Format
 ExRCA,Exchange Remote Connectivity Analyzer
 EZ/EC,Empowerment Zone/Enterprise Community
 FA,Flexible Automation
diff --git a/Data/Abbr/general.csv b/Data/Abbr/general.csv
index 74614de5..eeb07b0a 100644
--- a/Data/Abbr/general.csv
+++ b/Data/Abbr/general.csv
@@ -837,7 +837,6 @@ CMIS,Common management information service
 CMJ,Christopher Martin-Jenkins (BBC sports commentator)
 CML,Chemical,Chronic Myelogenous Leukemia (formerly Chronic Myeloid Leukemia)
 CMLL,"Consejo Mundial de Lucha Libre (Spanish,'Worldwide Wrestling Council'—Mexican professional wrestling promotion)"
-CMM,Capability Maturity Model
 CMMC,Corps Materiel Management Centre
 CMML,"Chronic MyeloMonocytic Leukemia,Continuous Media Markup Language"
 CMOS,"Canadian Meteorological and Oceanographic Society,(The) Chicago Manual of Style,Complementary Metal Oxide Semiconductor"
@@ -2061,7 +2060,6 @@ HTC-High Tech Computer Corporation,original name of the company now known simply
 HTFU,Harden The Fuck Up
 HTH,Hope That Helps
 HTI,Haiti (ISO 3166 trigram)
-HTML,HyperText Markup Language
 HTR,Heated Towel Rail
 HTS,High-Temperature Superconducting wire
 HTTP,HyperText Transfer Protocol
@@ -2429,8 +2427,6 @@ JL,Japan Airlines (IATA airline designator)
 JLA,Justice League of America
 JM,Jamaica (ISO 3166 digram)
 JMS,Java Message Service
-JNI,Java Native Interface
-JNLP,Java Network Launch Protocol
 JO,Jordan (ISO 3166 digram)
 JOA,Joint Operations Area
 Jofa,Jonssons fabriker (Swedish,"Jonsson's Factories")
@@ -2438,7 +2434,6 @@ JOPES,Joint Operations Planning and Execution System
 JOR,Jordan (ISO 3166 trigram)
 JOTS,Joint Operations Tactical System
 JP,Japan (ISO 3166 digram),Justice of the Peace
-JPEG,Joint Photographic Experts Group ("djay-peg")
 JPL,Jet Propulsion Laboratory
 JPN,Japan (ISO 3166 trigram)
 JPOW,Joint Project Optic Windmill