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Civil 3D 2026 Extensions Download Links

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Got a lazy Autodesk Administrator or are your corporate overlords too slow to provide you the latest extensions for Civil 3D 2026.. Well this post is for you.

You can download all the extensions from here.. I mean… all of them

Originally posted in Autodesk forums here
https://forums.autodesk.com/t5/civil-3d-forum/civil-3d-2026-download-all-the-extensions-direct-links-updated/td-p/13793922

Civil 3D 2026 Stuff   
ExtensionsReleaseSizeLink
Rail Data Exchange Extension 2026.1 for Autodesk Civil 3DJan 5, 20266.77 MBhttps://up1.autodesk.com/prd/2026/CIV3D/D80AA7E7-8758-301E-87D9-A59F5FC3CD95/C3D_26ExtRDE.exe 
Civil 3D 2026.2 Object EnablerDec 2, 2025521.65 MBhttps://up1.autodesk.com/prd/2026/CIV3D/09616794-C340-3486-A191-ED60E0F115E1/Autodesk_Civil_3D_2026_… 
DWG Integrity and Migration for DocsOct 22, 20251.41 GBhttps://up1.autodesk.com/prd/2026/CIV3D/C35CFE23-2B40-3E02-BDBF-DA02CE5B3B5D/DWG_Integrity_and_Migra…
GENIO Import and Export Extension 2026.0.1 for Civil 3DOct 22, 20254.37MBhttps://up1.autodesk.com/prd/2026/CIV3D/164B32AE-BD8B-3DC8-99AD-D8F841F5B61A/C3D_26ExtGenIO.exe
Drainage Tools for Civil 3D 2026.1Aug 05, 202516 MBhttps://up1.autodesk.com/prd/2026/CIV3D/2A8424D2-BA57-3488-A85D-0F7C29CC2F83/DrainageTools_for_Civil… 
Inventor Interoperability 2026Jul 15, 20251 GBhttps://up1.autodesk.com/prd/2026/INVSVR/0B643BFC-9255-3F82-BE11-06467FB39089//INVINTEROP_2026.exe
12d Data Extension 2026 for Civil 3DJul 14, 20254 MBhttps://up1.autodesk.com/prd/2026/CIV3D/BE37678E-82C1-3C98-8D83-1DDD43925AA3//C3D_26Ext12D.exe
GENIO Import and Export Extension 2026 for Civil 3DJul 14, 20254 MBhttps://up1.autodesk.com/prd/2026/CIV3D/28F3F00D-B8B1-3E8B-9681-E0BFDD315A80//C3D_26ExtGenIO.exe
CPIXML Extension 2026 for Autodesk Civil 3DJul 14, 202570 MBhttps://up1.autodesk.com/prd/2026/CIV3D/F4455D3A-ED03-3170-BEF2-EB4CE6112470//C3D_26ExtCPIXML.exe
Rail Data Exchange Extension 2026 for Autodesk Civil 3DJul 14, 20256 MBhttps://up1.autodesk.com/prd/2026/CIV3D/034D4221-B5D0-3C92-80E4-F43EAFC5075A//C3D_26ExtRDE.exe
Geotechnical Modeler Extension 2026 for Civil 3DJul 03, 20256 MBhttps://up1.autodesk.com/prd/2026/CIV3D/70A7664D-2D8E-3532-A577-8310B05BDC59//GeotechnicalModeler_20…
PPK Survey Extension 2026 for Civil 3DJul 03, 2025183 MBhttps://up1.autodesk.com/prd/2026/CIV3D/BAA15526-4A9B-3AFA-A4BF-FC061593A38E//PPK_Survey_2026_0.exe
SHP Import and Export Utility 2026 for Civil 3DJul 03, 20254 MBhttps://up1.autodesk.com/prd/2026/CIV3D/C3714F8A-4C75-354A-8A9C-9E4514F4B540//C3DExt_ShapeTool.exe
Infrastructure Parts Editor 2026Jul 03, 20252 GBhttps://up1.autodesk.com/prd/2026/CIV3D/2C6EFD08-DDEB-32B3-9F58-36EF8E0B1603//InfrastructurePartsEdi…
InfoWorks ICM Import and Export Plug-in 2026 for Civil 3DJul 03, 202512 MBhttps://up1.autodesk.com/prd/2026/CIV3D/7F827B7A-0BE4-3FF8-98AF-0E193F5FAF62//InfoWorks_ICM_Import_E…
Content Catalog AutoCAD 2022-2026 Extension v1.1.4.0Jun 27, 20254 MBhttps://up1.autodesk.com/prd/2025/CONTCAT/69988BBF-1A40-3B58-B58A-E015D727A657//Content_Catalog_Auto…
Autodesk IFC 4.3 Extension 2026 for Civil 3DJun 19, 20257 MBhttps://up1.autodesk.com/prd/2026/CIV3D/E8910559-479A-3D9F-A4C4-D098DE3045CF//Civil3D_IFC_2026.exe
Inventor Infrastructure Modeler Plugin 2026May 22, 20253 MBhttps://up1.autodesk.com/prd/2026/INVNTOR/955AD549-B818-32EF-92CA-1A74AC55FB77//ShapeModeler.exe
Coordinates Transformation Tool 2026 for Civil 3DMay 09, 2025170 MBhttps://up1.autodesk.com/prd/2026/CIV3D/14671F1B-7A02-3B05-85A4-FEC98D987B3C//Transformation_2026.ex…
Grading Optimization for Civil 3D 2026Apr 02, 2025228 MBhttps://up1.autodesk.com/prd/2026/C3DGO/842D7965-2896-3C35-9FB6-DDE3F6699D85//GradingOptimization_20…
AutoCAD 2026 VBA ExtensionMar 11, 202556 MBhttps://up1.autodesk.com/prd/2026/ACD/3CE47628-617F-367D-A61F-EDF74CE7A274//Autodesk_AutoCAD_2026_VB…
    
UpdatesReleaseSize 
AutoCAD 2026.1.1 Update 64-BitOct 30, 20251.75 GBhttps://up1.autodesk.com/prd/2026/ACD/274F8D06-1372-3673-9A39-2DFFA15AE2D3/AutoCAD_2026.1.1_Update.e… 
Civil 3D 2026.2 UpdateDec 2, 20251.08 GBhttps://up1.autodesk.com/prd/2026/CIV3D/744776B5-D3D9-387D-A1CB-81B556C3C56B/C3D_2026_2_Update.exe 
Autodesk AutoCAD Map 3D 2026.0.2 UpdateSep 01, 2025570 MBhttps://up1.autodesk.com/prd/2026/MAP/46617DF7-7566-37AB-B146-3095872FADE9//AutoCAD_Map_3D_2026.0.2_…
AutoCAD 2026.1 Update 64-BitAug 14, 20252 GBhttps://up1.autodesk.com/prd/2026/ACD/D018879B-47DA-3E7F-BD13-E2FFA1E3188A//AutoCAD_2026.1_Update.ex…
Civil 3D 2026.1 UpdateAug 05, 2025952 MBhttps://up1.autodesk.com/prd/2026/CIV3D/DFC3911C-2E78-3F56-AD6C-4C4F1E47A000//C3D_2026_1_Update.exe
Autodesk Shared Components 2026.3Jul 29, 2025263 MBhttps://up1.autodesk.com/prd/2026/ASC/8C953E91-51C2-3B5F-9991-5DDEECC328BD//ASC.exe
RealDWG 2026.0.2 Update 64-BitJul 24, 2025952 MBhttps://up1.autodesk.com/prd/2026/OBJ_DBX/AC7AE375-EE81-3023-9D95-36A79E86067C//Autodesk_RealDWG_Sha…
Autodesk Licensing Service – 15.6.0.13599- Win – UpdateJul 04, 202595 MBhttps://up1.autodesk.com/NetSWCOM/prd/2026/PLC0000036/67FB27F1-F2C3-3CE5-948B-AF5CF07627A8//AdskLice…
Autodesk CER Service 7.1.9 WindowsMay 27, 202517 MBhttps://up1.autodesk.com/2026/CERCLIENT/48869C51-D6DA-4242-8DFC-951D1E067189//cer.msi
Autodesk AutoCAD Map 3D 2026.0.1 UpdateMay 06, 2025558 MBhttps://up1.autodesk.com/prd/2026/MAP/DA2CE776-6B8C-3C63-9FDA-518D91ABE041//AutoCAD_Map_3D_2026.0.1_…
Identity Manager 1.0 1.15.3 English-US 64-Bit (Windows)Apr 24, 2025195 MBhttps://up1.autodesk.com/Windows/1.15.3.5//AdskIdentityManager-UCT-Installer.exe
    
Plugins   
Advance Steel 2026.0.1 Object EnablerApr 16, 2025111 MBhttps://up1.autodesk.com/prd/2026/ADSTPR/7C353E6C-2D7A-3A6D-B14A-E26CB5422DC4//Autodesk_Advance_Stee…
Object Enabler for AutoCAD Plant 3D 2026Mar 25, 20258 MBhttps://up1.autodesk.com/prd/2026/PLNT3D/5106212C-3A00-3E56-9F34-69606984454D//Object_Enabler_for_Au…
    
Libraries Country Kits   
DACH Country Kit 2026 for Civil 3DJun 05, 2025780 MBhttps://up1.autodesk.com/prd/2026/CIV3D/4CB34997-A370-3A3A-93A2-2DCD87FD9054//DACH_Content_C3D_2026….
UKIE Country Kit 2026 for Civil 3DMay 09, 2025217 MBhttps://up1.autodesk.com/prd/2026/CIV3D/A40F08D3-FB66-3CFD-A259-4D2555AD5982//UKIE_Content_C3D_2026….
Spain Country Kit 2026 for Civil 3DMay 09, 2025327 MBhttps://up1.autodesk.com/prd/2026/CIV3D/F48C26D4-D4CD-37E4-9CB3-B18DCFA29109//Spain_Content_C3D_2026…
Romania Country Kit 2026 for Civil 3DMay 09, 202560 MBhttps://up1.autodesk.com/prd/2026/CIV3D/3237D19A-A6A2-3099-9618-128ECB3302B2//Romania_Content_C3D_20…
Saudi Arabia Country Kit 2026 for Civil 3DMay 09, 2025103 MBhttps://up1.autodesk.com/prd/2026/CIV3D/3237D19A-A6A2-3099-9618-128ECB3302B2//Romania_Content_C3D_20…
Sweden Country Kit 2026 for Civil 3DMay 09, 2025114 MBhttps://up1.autodesk.com/prd/2026/CIV3D/8EF66D1B-B0DC-3AE4-9A52-EF022ADEB199//Sweden_Content_C3D_202…
Mexico Country Kit 2026 for Civil 3DMay 09, 2025142 MBhttps://up1.autodesk.com/prd/2026/CIV3D/66DF1187-EEB2-3F4F-9A1D-4CB78E81A8A2//Mexico_Content_C3D_202…
Netherlands Country Kit 2026 for Civil 3DMay 09, 202536 MBhttps://up1.autodesk.com/prd/2026/CIV3D/D52237E8-665B-3484-BF9A-4F3747386F42//Netherlands_Content_C3…
Norway Country Kit 2026 for Civil 3DMay 09, 2025104 MBhttps://up1.autodesk.com/prd/2026/CIV3D/B8B10E7A-1F09-319C-820A-76E74B1104BB//Norway_Content_C3D_202…
Poland Country Kit 2026 for Civil 3DMay 09, 202564 MBhttps://up1.autodesk.com/prd/2026/CIV3D/21DDA912-D607-337E-934E-3A3BDB26DE91//Poland_Content_C3D_202…
Hungary Country Kit 2026 for Civil 3DMay 09, 202544 MBhttps://up1.autodesk.com/prd/2026/CIV3D/6AB7B6F5-E5FE-3CC3-A754-E66AA7147DA2//Hungary_Content_C3D_20…
India Country Kit 2026 for Civil 3DMay 09, 2025894 MBhttps://up1.autodesk.com/prd/2026/CIV3D/DB669523-394B-30CA-A4A2-C3FA07D4D9C8//India_Content_C3D_2026…
Italy Country Kit 2026 for Civil 3DMay 09, 202595 MBhttps://up1.autodesk.com/prd/2026/CIV3D/A10B3756-BBA2-3D7A-9473-CF3645408884//Italy_Content_C3D_2026…
Brazil Country Kit 2026 for Civil 3DMay 09, 2025378 MBhttps://up1.autodesk.com/prd/2026/CIV3D/978D2FBA-24CD-3BE3-832A-1C484964306F//Brazil_Content_C3D_202…
Chile Country Kit 2026 for Civil 3DMay 09, 2025122 MBhttps://up1.autodesk.com/prd/2026/CIV3D/0B2CB0D3-C734-3B32-A400-802CD3100FDD//Chile_Content_C3D_2026…
Czech Country Kit 2026 for Civil 3DMay 09, 202559 MBhttps://up1.autodesk.com/prd/2026/CIV3D/EC20A73E-E62C-3B19-B289-875B2C627F49//Czech_Content_C3D_2026…
France Country Kit 2026 for Civil 3DMay 09, 2025119 MBhttps://up1.autodesk.com/prd/2026/CIV3D/76B5011C-2260-3785-B927-E9A12EE7B87F//France_Content_C3D_202…
ANZ Country Kit 2026 for Civil 3DMay 09, 2025568 MBhttps://up1.autodesk.com/prd/2026/CIV3D/04E9E42A-9142-3EC2-956E-2D1A39FAD49A//ANZ_Content_C3D_2026.e…
Belgium Country Kit 2026 for Civil 3DMay 09, 202599 MBhttps://up1.autodesk.com/prd/2026/CIV3D/EC6B35C2-EA10-385E-920A-B3CCB2F2C705//Belgium_Content_C3D_20…




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