What is an Archive and how does it work?
Information on a computer is stored in what are called files. Normally the files consist of a name, a period and an extension (eg PROGRAMA.EXE). The name helps us to differentiate some files from others and the extension to give it specific properties. These associated properties or "file type" are given by the letters that make up the extension. Normally its maximum is three letters although there are some exceptions (.jpeg, .html, .java, etc.). Each of these small groups of characters is associated with a file type.
Take for example a file called "DOCUMENT.TXT", its name will be DOCUMENT and its extension TXT. This extension is associated with the types of files that contain text, therefore we can assume that there will be something written inside. Our operating system (Windows in this case) will have a list of the programs with which this file can be used and if we want to view it, it will be opened with the NotePad or Notepad.
However, we will probably have the problem that if we explore a directory or folder we only see DOCUMENT (without the .TXT behind it). This is because Windows hides the file extensions . This is dangerous due to the fact that there are types of files that are potential virus containers, and if we do not know their extension we will not know. For Windows to show us the extensions of all types of files we will go to Windows Explorer and in the Tools menu we will access the folder options. In the new window we will point to the View tab and in the list we will uncheck the option "Hide file extensions for known file types".
Since we are in the folder options, the next tab "File Types" will be very useful. It contains the list of different extensions that Windows recognizes and with which program they are associated. From her we can change all of her properties.
By marking the type of file that interests us in the list and with the Change button we can choose to have it run by a different program. In the Advanced Options we can also select the icon with which it appears and the possible actions.
File Types
We can divide the files into two large groups. These are the executables and the non-executables or data files . The fundamental difference between them is that the former are created to function by themselves and the latter store information that will have to be used with the help of a program.
However, most programs have other files that are necessary apart from the executable. These attachments that the programs require are necessary for their proper functioning, and although they may have different formats, they cannot be separated from their original program. Or at least if we want it to continue working well.
Within the types of data files, groups can be created, especially by the subject or type of information they store. This is how we gonna make it whit this tutorial. We will separate the groups into image, text, video, compressed files... and we will name some associated programs.
The most common file types are:
- From text: txt, doc, docx, etc.
- Image: jpg, gif, bmp, png, etc.
- Video: avi, mp4, mpeg, mwv, etc.
- Execution or system: exe, bat, dll, sys, etc.
- Audio: mp3, wav, wma, etc.
- From compressed archive: zip, rar, tar, etc.
- Reading: pdf, epub, azw, ibook, etc.
- From disk image: iso, mds, img, etc.
Archives Nomenclature
System File Types and Extensions
- 386: Virtual device driver
- ACA: Microsoft Agent Character
- ACG: Microsoft Agent Preview
- ACS: Microsoft Agent Character
- ACW: Accessibility Wizard Settings
- ANI: Animated Cursor
- BAT: MS-DOS batch file
- BFC: Briefcase
- BKF: Windows Backup
- BLG: System Monitor
- CAT: Safety Catalog
- CER: Security Certificate
- CFG: Settings
- CHK: Recovered File Fragments
- CHM: Compiled HTML Help
- CLP: Clipboard Clip
- CMD: Windows NT Script
- CNF: Marking speed
- COM: MS-DOS application
- CPL: Control Panel Extension
- CRL: Certificate revocation list
- CRT: Safety Certificate
- CUR: Cursor
- DAT: Database
- DB: Database
- DER: Safety certificate
- DLL: Library, application extension
- DRV: Device Driver
- DS: TWAIN Data Source file
- DSN: Data source name
- DUN: Dial-up Network
- EXE: Application
- FND: Saved Search
- FNG: Font group
- FOLDER: Folder
- FON: Source
- GRP: Microsoft Program Group
- HLP: Help
- HT: HyperTerminal
- INF: Installation information
- INI: Configuration options
- INS: Internet Communications Settings
- ISP: Internet Communications Settings
- JOB: Task object
- KEY: Registry Entries
- LNK: Direct Access
- MSC: Microsoft Common Console Document
- MSI: Windows Installer Package
- MSP: Windows Installer Patch
- MSSTYLES: Windows Visual Style
- NFO: MSInfo
- OCX: ActiveX Control
- OTF: OpenType Font
- P7C: Digital identifier
- PFM: Type 1 Font
- PIF: Direct access to MS-DOS program
- PKO: Public Key Security Object
- PMA: System Monitor File
- PMC: System Monitor File
- PML: System Monitor File
- PMR: System Monitor File
- PMW: System Monitor File
- PNF: Pre-compiled installation information
- PSW: Password Backup
- QDS: Directory for consultation
- RDP: Remote Desktop Connection
- REG: Registry Entries
- SCF: Windows Explorer Command
- SCR: Screen Protector
- SCT: Windows Script Component
- SHB: Direct access to document
- SHS: Trim
- SYS: System file
- THEME: Windows Theme
- TMP: Temporary file
- TTC: True Type Font
- TTF: TrueType Font
- UDL: Links to data
- VXD: Virtual Device Driver
- WAB: Address Book
- WMDB: Media Library
- WME: Windows Media Encoder Session
- WSC: Windows Script Component
- WSF: Windows Script File
- WSH: Windows Script Host Settings File
- ZAP: Software Installation Configuration
Audio File Types and Extensions
- 669: Winamp
- AIF: Winamp
- AIFC: AIFF format
- AIFF: Winamp
- AMF: Winamp
- ASF: Windows Media
- AU: Winamp
- AUDIOCD: AudioCD
- CDA: Winamp
- CDDA: AIFF Audio
- FAR: Winamp
- IT: Winamp
- ITZ: Winamp
- LWV: Microsoft Linguistically Enhanced Sound File
- MID: Winamp
- MIDI: Winamp
- MIZ: Winamp
- MP1: Winamp
- MP2: Winamp
- MP3 (*): Winamp
- MTM: Winamp
- OGG (**): Winamp
- GMO: (Ogg)
- OKT: Winamp
- RA: Real Audio
- RMI: Winamp
- SND: Winamp
- STM: Winamp
- STZ: Winamp
- ULT: Winamp
- VOC: Winamp
- WAV: Winamp
- WAX: Windows Media Audio Shortcut
- WM: Windows Media
- WMA: Winamp
- WMV: Windows Media
- XM: Winamp
- XMZ: Winamp
Video File Types and Extensions
- ASF: Windows Media
- AVI (*): BSPlayer
- BIK: RAD Video Tools
- DIV: DivX Player
- DIVX: DivX Player
- DVD: PowerDVD
- IVF: Indeo
- M1V: (mpeg)
- MOV (**): QuickTime
- MOVIE: (mov)
- MP2V: (mpeg)
- MP4: (MPEG-4)
- MPA: (mpeg)
- MPE: (mpeg)
- MPEG (***): (mpeg)
- MPG: (mpeg)
- MPV2: (mpeg)
- QT: QuickTime
- QTL: QuickTime
- RPM: RealPlayer
- SMK: RAD Video Tools
- WM: Windows Media
- WMV: Windows Media
- WOB: PowerDVD
Compressed File Types and Extensions
- ACE: WinACE
- ARJ: WinARJ
- BZ: IZarc / WinRAR
- BZ2: IZarc / WinRAR
- CAB: CAB Station
- GZ: IZarc / WinRAR
- HA: IZarc / WinRAR
- ISO: WinRAR
- LHA: IZarc / WinRAR
- LZH: IZarc / WinRAR
- R00: WinRAR
- R01: WinRAR
- R02: WinRAR
- R03: WinRAR
- R0 ...: WinRAR
- RAR (*): WinRAR
- TAR: IZarc / WinRAR
- TBZ: IZarc / WinRAR
- TBZ2: WinRAR
- TGZ: IZarc / WinRAR
- USA: WinCode / WinRAR
- EU: IZarc / WinRAR
- XXE: IZarc / WinRAR
- ZIP (**): WinZIP
- ZOO: IZarc
Image File Types and Extensions
- AIS: ACDSee Image Streams
- BMP (*): XnView / ACDSee
- BW: XnView / ACDSee
- CDR: CorelDRAW Graphic
- CDT: CorelDRAW Graphic
- CGM: CorelDRAW Graphic
- CMX: CorelDRAW Exchange Graphic
- CPT: Corel PHOTO-PAINT
- DCX: XnView / ACDSee
- DIB: XnView / ACDSee
- EMF: XnView / ACDSee
- GBR: The Gimp
- GIF (**): XnView / ACDSee
- GIH: The Gimp
- ICO: Icon
- IFF: XnView / ACDSee
- ILBM: XnView / ACDSee
- JFIF: XnView / ACDSee
- JIF: XnView / ACDSee
- JPE: XnView / ACDSee
- JPEG (***): XnView / ACDSee
- JPG: XnView / ACDSee
- KDC: XnView / ACDSee
- LBM: XnView / ACDSee
- MAC: MacPaint
- PAT: The Gimp
- PCD: XnView / ACDSee
- PCT: PICT
- PCX: XnView / ACDSee
- PIC: XnView / ACDSee
- PICT: PICT
- PNG: XnView / ACDSee
- PNTG: MacPaint
- PIX: XnView / ACDSee
- PSD: Adobe Photoshop
- PSP: Paint Shop Pro
- QTI: QuickTime
- QTIF: QuickTime
- RGB: XnView / ACDSee
- RGBA: XnView / ACDSee
- RIF: Painter
- RLE: XnView / ACDSee
- SGI: XnView / ACDSee
- TGA: XnView / ACDSee
- TIF: XnView / ACDSee
- TIFF: XnView / ACDSee
- WMF: XnView / ACDSee
- XCF: The Gimp
Text File Types and Extensions
- DIC: Notepad / WordPad
- DOC (*): Microsoft Word
- DIZ: Notepad / WordPad
- DOCHTML: Microsoft Word HTML
- EXC: Notepad / WordPad
- IDX: Notepad / WordPad
- LOG: Notepad / WordPad
- PDF: Adobe Acrobat
- RTF: Microsoft Word
- SCP: Notepad / WordPad
- TXT (**): Notepad / WordPad
- WRI: Write
- WTX: Notepad / WordPad
Other File Extensions
CD IMAGES
- MDS: Alcohol 120%
- CCD: Alcohol 120% / CloneCD
- CUE: Alcohol 120% / CDRWin (+ .BIN)
- ISO: Alcohol 120% / Ahead Nero
- BTW: Alcohol 120%
- CDI: Alcohol 120%
- IMG: CloneCD (also from floppy disk and drawing)
AHEAD NERO
- NRA: Nero: Audio CD
- NRB: Nero: bootable CD-ROM
- NRE: Nero: CD EXTRA
- NRG: Ahead Nero
- NRH: Nero: Hybrid CD-ROM
- NRI: Nero: ISO CD-ROM
- NRM: Nero: Mixed CD
- NRU: Nero: CD-ROM UDF
- NRV: Nero: Super Video CD
- CDC: Nero CD Cover
PROGRAMS
OPENOFFICE
- SDA: Drawing
- SDC: Spreadsheet
- SDD: Presentation
- SDS: Diagram
- SDW: Text
- SFS: Frame
- SGL: Master Document
- SMD: Mail Document
- SMF: Formula
- STC: Spreadsheet Template
- STD: Drawing template
- STI: Presentation Template
- STW: Text Template
- SXC: Spreadsheet
- SXD: Drawing
- SXG: Master Document
- SXI: Presentation
- SXM: Formula
- SXW: Text
- VOR: Template
QUICKTIME
- QPX: Player Plugin
- QTP: Preferences
- QTS: QuickTime
- QTX: Extension
- QUP: Update Package
POWERPOINT
- POT: Template
- POTHTML: HTML Template
- PPA: Complement
- PPS: Presentation
- PPT: Presentation
- PPTHTML: HTML Document
WORD
- DOT: Microsoft Word Template
- DOTHTML: Microsoft Word HTML Template
- WBK: Microsoft Word Backup
- WIZ: Wizard for Microsoft Word
EXCEL
- CSV: Comma Separated Values File
- DIF: Data exchange format
- DQY: ODBC query files
- XLA: Plugin
- XLB: Spreadsheet
- XLC: Graphic
- XLD: Dialog Sheet
- XLK: Backup file
- XLL: Plugin XLL
- XLM: Macro
- XLS: Spreadsheet
- XLSHTML: HTML Document
- XLT: Template
- XLTHTML: HTML Template
- XLV: VBA module
- XLW: Work area
MEDIA PLAYER
- ASX: Audio or video playlist
- WMP: Player File
- WMS: Mask file
- WMX: Audio or video playlist
- WMZ: Skin Pack
- WPL: Playlist
- WVX: Audio or video playlist
MSN MESSENGER
- CTT: Contact List
- YAHOO MESSENGER
- YMG: Messenger Class
- YPS: Messenger Class
INTERNET
- ASP: Active Server Pages
- CSS: Cascading Style Sheet Document
- HTA: HTML Application
- HTM: HTML Document
- HTML: HTML Document
- HTT: Hypertext Template
- JS: JScript Script File
- JSE: JScript Encoded Script File
- JSP: JSP file
- MHT: MHTML Document
- MHTML: MHTML Document
- PHP: Personal Home Page
- SHTM: SHTM file
- URL: HTML Document
- XML: HTML Document
- XSL: XSL Stylesheet
- EML: Outlook / Eudora / The Bat
- MBX: Eudora Mailbox
- MSG: Message E-mail
- NWS: News Message
MISCELLANY
- BIN: Binary
- CLASS: Java
- C: C
- CPP: C
- JAVA: Java
- M3U: Winamp playlist file
- MAX: 3D Studio Max
- SPL: Shockwave Flash Object
- SWF: Shockwave Flash Object
- VBS: Visual Basic Script
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