>> UPL file

UPL file format description

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

1 filename extension(s) found in our database.

.upl - CYANA Upper Distance Limit File

The UPL data files are related to CYANA. UPL file is a CYANA Upper Distance Limit File. CYANA is a program for automated structure calculation of biological macromolecules on the basis of conformational constraints from NMR.

Data files
- / -
CYANA Upper Distance Limit File related extensions:
CYANA Dihedral Angle Constraint File
CYANA Torsion Angle File
CYANA DG Cartesian Coordinate File
CYANA Macro File
CYANA Lower Distance Limit File
CYANA Pseudocontact Shift Restraint File

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

Can't open a .upl 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 .upl file extension is often given incorrectly!

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

hpl, ipl, jpl, kpl, pl, pul, ul, ulp, uol, upi, upk, upm, upo, upp, ypl

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

JProbe Settings
PhotoImpact Image
IPLab IPL Image
Sygic Drive POI Database
U-Law Compressed Audio File
Unreal Engine 3 Package

Operating systems currently supports the following operating systems:

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

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