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.

Application:

Day of the Zombie

Category:

Game Data files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

Day of the Zombie Map related extensions:

.swar: Super Mario Bros NDS Music Data
.pk7: ZDoom 7-zip Compressed Package
.s2ml: StarCraft 2 Map Localization Data
.y3d: Yu-Gi-Oh! Online 3 Deck Data
.cpk: CRI Middleware Package
.hiwacsave: 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.

Application:

WRAP

Category:

Data files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

WRAP DAY Output Data related extensions:

.aff: WRAP SIMD Annual Flood Frequency Data
.bes: WRAP Beginning-Ending Storage Data
.brc: WRAP Beginning Reservoir Concentration Data
.brs: WRAP Beginning Reservoir Storage Data
.crm: WRAP Conditional Reliability Modeling Data
.dcf: 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:

example.day

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.

Open Control Panel > Control Panel Home > Default Programs > Set Associations.
Select a file type in the list and click Change Program.

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:

.dat: SimCity 4 Game Data
.da: Gcov Compiled Output
.dag: World Championship Poker 2 Game Data
.dat: SWAT Database
.ray: Rayshade Image
.dau: SPSS Overflow Data

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

If you find the information on this page useful, please feel free to link to this page.

https://datatypes.net/open-day-files

If you have useful information about the .day file format, then write to us!