DSY file format description

Many people share .dsy files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .dsy file can be edited, converted or printed with. On this page, we try to provide assistance for handling .dsy files.

3 filename extension(s) found in our database.

.dsy - Besta Electronic Dictionary Video

The DSY video files are related to Besta Electronic Dictionary. The DSY file is a Besta Electronic Dictionary Video. Besta is an English / Chinese electronic dictionary.

Besta Electronic Dictionary
Video files
- / -
Besta Electronic Dictionary Video related extensions:
Google Video Pointer
Meta Media Video E-Mail
DVD Video Object
Windows Media Video Redirector
Seorim MICRO DVR Camera Video
Famtasia Captured Movie

.dsy - Directory Synchronizer Project

The DSY project files are related to AJC Directory Synchronizer. The DSY file is a Directory Synchronizer Project. AJC Directory Synchronizer is an easy to use directory compare and synchronize software for Microsoft Windows.

AJC Directory Synchronizer
Project files
- / -
Directory Synchronizer Project related extensions:
PlayMemories Project
Creatacard Brochure Project
SigmaStudio SigmaDSP Project
PicturesToExe Project
PhotoScape X Project
Random Word Generator Project

.dsy - PC Draft Symbol Library

The DSY data files are related to PC Draft. The DSY file is a PC Draft Symbol Library. PC Draft is a precision drawing application program designed to help you create detailed drawings.

PC Draft
Data files
- / -
PC Draft Symbol Library related extensions:
Blue Wave Offline Mail Reader Data
Veedid Desktop To-Do List XML Data
Personal Ancestry Writer II Data
Korg DW-8000 Compressed Data
IBM 4690 OS Data
QuickHelp for Mac Data

Naturally, other applications may also use the .dsy file extension. Even harmful programs can create .dsy files. Be especially cautious with .dsy files coming from an unknown source!

Can't open a .dsy file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .dsy file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

csy, dcy, dqy, ds, dsg, dsh, dsj, dst, dsu, dwy, dys, esy, fsy, rsy, sdy

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Dynamics Solver Problem Definition
SwordSearcher Daily Devotional Data
TWAIN Data Source
RAD Studio Desktop Settings
Decker Saved Game
IBM Rational SDL Suite Diagram

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> DSY file