MegaPaint picture image
File type: Graphics file
A bld file extension is related to the MegaPaint picture image file format.
Found 17 different file type records with the same bld filename suffix.
File type category:
Graphics file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The bld file extension is associated with the obsolete MegaPaint picture image format probably used on old computer platforms, such as Commodore C64, Amiga, Atari ST etc.
It is viewable in the XnView picture image viewer and manager.
Use XnView to open *.bld MegaPaint image format files.
Use XnView to export *.bld files to other formats.
File type category:
3d graphics, CAD-CAM-CAE file
Date updated: September 10, 2019
The bld file extension is associated with the 3D Home Architect, a modeling program for Microsoft Windows operating system, developed by Brøderbund.
The bld file contains project from 3D Home Architect.
Use 3D Home Architect to export data to other formats.
3D Home Architect is may be able to export *.bld files to other formats.
Software applications that can open bld files:
Microsoft Windows
Software applications that can edit bld files:
Microsoft Windows
Software capable of saving bld files:
Microsoft Windows
Software apps that create bld files:
Microsoft Windows
File type category:
Various data file
Date updated: April 17, 2019
The bld file extension is associated with the ACT!, a contact and customer management solution for Windows.
The bld file contains various data used for internal purposes of the ACT! application.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Game file
Date updated: November 8, 2018
The bld file extension is associated with the Age of Empires, a real-time strategy computer game from the prehistory and antiquity ages.
The bld file contains artificial intelligence game data.
You cannot open this file type manually, it is accessed by the game automatically.
These games files cannot be converted to anything else. However, sometimes modding.
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Game file
Date updated: July 31, 2018
The bld file extension is associated with the Aspectra role playing game (RPG) computer game developed by Andy Wood in 1996 for MS-DOS operating system.
The bld file contains game data.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving bld files:
Microsoft MS-DOS
File type category:
Settings, options, themes or skins file
Date updated: July 31, 2019
Record marked as obsolete and not updated for a long time.
The bld file extension is associated with the Bingooo, an Internet communication browser with built-in instant messaging client.
The bld file contains language definition settings for the Bingooo browser.
Software apps that manage or store settings in bld files:
Microsoft Windows
File type category:
Various data file
Date updated: August 21, 2018
The bld file extension is associated with the EnergyPro utility used to create report forms developed by EnergySoft.
The bld file contains various data used for internal purposes of the EnergyPro application.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
File type category:
3d graphics, CAD-CAM-CAE file
Date updated: August 27, 2018
The bld file extension is associated with the Envisioneer Professional 3D Building Information Model (BIM) suite used to create 2D and 3D architectural drawings.
The bld file contains 2D or 3D model of objects stored in buildings, such as sofa, furniture, desks, tables etc.
Use Envisioneer Professional to open *.bld model files.
Probably can be converted to other formats.
Software applications that can open bld files:
Microsoft Windows
Software applications that can edit bld files:
Microsoft Windows
Software capable of saving bld files:
Microsoft Windows
Software apps that create bld files:
Microsoft Windows
File type category:
Graphics file
Date updated: September 18, 2019
The bld file extension is associated with the FalCon eXtra the high-speed imaging and digital video analyzing software for Windows.
The bld file stores picture document created in the FalCon eXtra.
Use FalCon eXtra to open *.bld picture document files.
Probably can be exported to other formats.
Software applications that can open bld files:
Microsoft Windows
Software applications that can edit bld files:
Microsoft Windows
Software capable of saving bld files:
Microsoft Windows
Programs for viewing bld files:
Microsoft Windows
Software apps that create bld files:
Microsoft Windows
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Various data file
Date updated: January 28, 2019
Record marked as obsolete and not updated for a long time.
The bld file extension is associated with the Microsoft QuickBasic Integrated Development Environment (or IDE) and compiler for the BASIC programming language.
QuickBasic was programmed for MS-DOS operating system and some versions were also for Mac OS.
The bld file was also used by the GW-BASIC, that was a special version of the BASIC / BASICA IDE developed for Compaq.
BLOAD is used to load a saved block of binary data, and can be also used to load raw pixel data to the screen.
Use QuickBasic to work with *.bld files.
Probably cannot be converted to other formats.
Software applications that can open bld files:
Multiplatform
Software apps that create bld files:
Multiplatform
Software applications that handle other tasks involving bld files:
Multiplatform
File type category:
Various data file
Date updated: October 2, 2026
The .bld file extension is associated with Pascal/MT+, a Pascal compiler for 8080, 8085, and Z80 CPUs. Pascal/MT+ was originally used with the CP/M operating system and was later available for MS-DOS and Windows.
A .bld file contains input data used by the Pascal/MT+ compiler. It is a legacy format tied to this historical development environment.
Open the file with Pascal/MT+ on a system that supports the compiler, such as CP/M, MS-DOS, or Windows.
The .bld format is specific to Pascal/MT+. Open it with Pascal/MT+ to use its contents in the compiler.
Software applications that can open bld files:
Other operating systems or devices
Software apps that import bld files:
Other operating systems or devices
File type category:
Game file
Date updated: October 2, 2026
RealFlight uses BLD files to describe aircraft that can be flown in its radio-control airplane and helicopter simulation. The file contains airplane settings for use with a radio-control device.
The format belongs to RealFlight software on Microsoft Windows and is intended to be read by the simulator rather than used as a general-purpose aircraft format. It is tied to the RealFlight aircraft and simulation environment.
Open the file with RealFlight on Microsoft Windows. BLD files are normally loaded by the simulator as part of its aircraft data, rather than opened as ordinary documents.
RealFlight BLD files are intended for use by RealFlight and are not ordinarily converted to standard aircraft or 3D-model formats.
Software apps that manage or store settings in bld files:
Microsoft Windows
File type category:
Various data file
Date updated: October 2, 2026
The .bld file extension is associated with Right-J, a load calculation program used by contractors and HVAC designers. A .bld file stores the load calculation data produced by the Right-J calculation suite.
These files are intended for use with Right-J on Microsoft Windows. They contain working data for the program's load calculations rather than a general-purpose document format.
Open a .bld file with Right-J on Microsoft Windows. Install the program, then use its open command to load the file.
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Game file
Date updated: October 26, 2018
The bld file extension is associated with the SimCity 3000, a strategic management and city building computer game developed by Maxis in 1999.
The bld file contains saved building created in the Building Architect utility integrated in SimCity 3000 game.
Use Building Architect to open *.bld files.
These games files cannot be converted to anything else. However, sometimes modding.
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Various data file
Date updated: September 16, 2019
Record marked as obsolete and not updated for a long time.
The bld file extension is associated with the SPLat, a family of electronic controllers for various devices, such as pallet wrappers, air conditioners, dentist chairs, etc.
The bld file contains build data for Splat controllers.
File type category:
Various data file
Date updated: October 9, 2018
The bld file extension is associated with the Visual Build, an application used to create automated, repeatable process for building and deploying desktop software.
The bld file stores project created in the Visual Build.
Use Visual Build to open *.bld project files.
Probably can be exported to other formats.
Software applications that can open bld files:
Microsoft Windows
Software applications that can edit bld files:
Microsoft Windows
Software capable of saving bld files:
Microsoft Windows
Software apps that create bld files:
Microsoft Windows
Software applications that handle other tasks involving bld files:
Microsoft Windows
File type category:
Game file
Date updated: December 19, 2018
The bld file extension is associated with the Yoot Tower, a construction and management simulation computer game developed by Sega Corporation in 1998.
The bld file contains saved player's position, or progress in the game.
Use Load Game option to open *.bld files.
Probably cannot be exported to other formats.
Software applications that can open bld files:
Microsoft Windows
Software apps that create bld files:
Microsoft Windows
Software applications that handle other tasks involving bld files:
Microsoft Windows
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