DAY file format description

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

2 filename extension(s) found in our database.

.day - Day of the Zombie Map

The DAY game data files are related to Day of the Zombie. The DAY file is a Day of the Zombie Map. Day of the Zombie is a 2009 zombie first person shooter game developed by Brainbox games.

Day of the Zombie
Game Data files
- / -
Day of the Zombie Map related extensions:
Super Mario Bros NDS Music Data
ZDoom 7-zip Compressed Package
StarCraft 2 Map Localization Data
Yu-Gi-Oh! Online 3 Deck Data
CRI Middleware Package
Warnings at Waverly Academy Saved Game

.day - WRAP DAY Output Data

The DAY data files are related to WRAP. The DAY file is a WRAP DAY Output Data. Water Rights Analysis Package (WRAP) simulates management of the water resources of river/reservoir systems subject to priority-based water allocation and performs statistical frequency and reliability analyses of simulation results.

Data files
- / -
WRAP DAY Output Data related extensions:
WRAP SIMD Annual Flood Frequency Data
WRAP Beginning-Ending Storage Data
WRAP Beginning Reservoir Concentration Data
WRAP Beginning Reservoir Storage Data
WRAP Conditional Reliability Modeling Data
WRAP Daily Flows Columnar Data

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

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

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

ay, da, dag, dah, dat, dau, dqy, dwy, dya, ray, say

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SimCity 4 Game Data
Gcov Compiled Output
World Championship Poker 2 Game Data
SWAT Database
Rayshade Image
SPSS Overflow Data

Operating systems 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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