ファイルフォーマット一覧
一覧

|  NCP | Re-volt Collision file | Re-volt |  |  |
|  NDB | Network database | Intellicom - Compex |  |  |
|  NDS | ROM file | 任天堂 DS |  |  |
|  NDL | Nodelist file |  |  |  |
|  NDX | Index file | dBASE II - III - IV - dBFast |  |  |
|  NEO | Raster graphics file | Atari Neochrome |  |  |
|  NES | iNES ROM image format |  |  |  |
|  NET | Network configuration/info file |  |  |  |
|  NEU | Pro/Engineer neutral file format | PTC Pro/Engineer |  |  |
|  netCDF | Network Common Data Format |  |  |  |
|  NEW | New info |  |  |  |
|  NFF | Haines Neutral File Format |  |  |  |
|  NFF | WorldToolKit Neutral File Format |  |  |  |
|  NFO | Folioview database |  |  |  |
|  NFO | Help format | Nextpage Folio |  |  |
|  NFO | Info file | Compact NFO Viewer |  |  |
|  NG | Hypertext Database | Norton Guide |  |  |
|  NGO | NG linker object file | NGML |  |  |
|  NGS; | NG compiler source file | NGC |  |  |
|  NIF | netimmerse/gamebyro file |  |  |  |
|  NIL | NIL | Icon Hear-It |  |  |
|  NITF | National Imagery Transmission Format |  |  |  |
|  NK2 | e-mail address autocomplete archive | Microsoft Office Outlook |  |  |
|  NL | Norton Desktop Icon Library |  |  |  |
|  NLM | Netware loadable module | Novell Netware |  |  |
|  NLS | National Language Support file | MS-DOS |  |  |
|  NLX | Form | FormWorx 3.0 |  |  |
|  nnn | Arj archive volumes up to 999 | ARJ |  |  |
|  nnn | Netware unicode rule table | Novell Netware |  |  |
|  nnn | News about smth with ext. of ver. number |  |  |  |
|  nnn | RAR archive volumes up to 999 | RAR |  |  |
| NOMEDIA | Android Nomedia Format | Google Android |  |  |
|  NOT | Notation |  |  |  |
|  NOT | Yard Notes File | FYM |  |  |
|  NP | Project schedule (Nokia Planner) | Nokia Planner |  |  |
|  NPI | Source for DGEN.EXE interpreter | dBASE Application Generator |  |  |
|  NPJ | Nile Project | Game Mission Editor |  |  |
|  NRG | Nero Disc Image File | Nero Express / Burning ROM |  |  |
|  NRW | Nikon Coolpix RAW image | Nikon |  |  |
|  NSA | media | Nullsoft Streaming Audio |  |  |
|  NSF | database | Lotus Notes |  |  |
|  NSS | Norton screensaver module | NC - NDW Screen Saver |  |  |
|  NST | Music module | Amiga Noise Tracker |  |  |
|  NSV | media | Nullsoft Streaming Video |  |  |
|  NSX | Compound index file | SuccessWare SIX 3.00 |  |  |
|  NT | Startup files | Windows NT |  |  |
|  NTF | database design template | Lotus Notes |  |  |
|  NTH | Nokia Theme File | Nokia PC Suite |  |  |
|  NTR | Executable ASCII text file | netrun31.zip |  |  |
|  NTS | Executable ASCII text file | netsend1.zip |  |  |
|  NTS | Tutorial | Norton |  |  |
|  NTX | Database index file | Clipper 5 |  |  |
|  NUF | Message for new users on their 1st call | Procomm Plus |  |  |
|  NUMBERS | Numbers spreadsheet file | Numbers (Apple iWork '08) |  |  |
|  NWS | Info text file (latest news) (ASCII) |  |  |  |
|  NXT | Sound (NeXT format) |  |  |  |
|  O$$ | Outfile | Sprint |  |  |
|  O | オブジェクトファイル | UNIX - Atari - GCCなど |  |  |
|  O01 | Typhoon vOice file | AWAVE |  |  |
|  OAZ | Fax | NetFax Manager |  |  |
|  OB | Object cut/paste file | IBM LinkWay |  |  |
|  OBD | Microsoft Office Binder | MSOffice |  |  |
|  OBJ | Compiled machine language code | Visual C++など |  |  |
|  OBJ | Wavefront Object |  |  |  |
|  OBJF | Data | Triangle strips object |  |  |
|  OBR | Object browser data file | Borland C++ |  |  |
|  OBS | Script | ObjectScript |  |  |
|  OBT | Microsoft Office Binder Template | MSOffice |  |  |
|  OBV | Visual interface | ObjectScript |  |  |
|  OBZ | Microsoft Office Binder Wizard | MSOffice |  |  |
|  OCF | Object Craft File | Object Craft |  |  |
|  OCD | OCAD Map File | OCAD |  |  |
|  OCR | Incoming fax transcribed to text | FAXGrapper |  |  |
|  OCT | Musical file | Pctalizer |  |  |
|  OCX | New Custom Control's format in VB 4.0 | Visual Basic |  |  |
|  OCX | OLE custom control |  |  |  |
|  ODB | OpenDocument database | OpenOffice.org Base | データベース |  |
|  ODF | OpenDocument formula | OpenOffice.org Math |  |  |
|  ODG | OpenDocument drawing | OpenOffice.org Draw |  |  |
|  ODIF | Open Document Interchange Format |  |  |  |
|  ODL | Object Description Language |  |  |  |
|  ODL | Type library source | Visual C++ |  |  |
|  ODM | OpenDocument master document | OpenOffice.org Writer | 文書 |  |
|  ODP | OpenDocument presentation | OpenOffice.org Impress |  |  |
|  ODS | OpenDocument spreadsheet | OpenOffice.org Calc | 表計算 |  |
|  ODT | OpenDocument text document | OpenOffice.org Writer | 文書 |  |
|  OFD | Form definition | ObjectView |  |  |
|  OFF | Object File Format vector graphics file |  |  |  |
|  OFF | Object File Format vector graphics |  |  |  |
|  OFM | PostScript font description file |  |  |  |
|  OFN | Microsoft Office documents | Microsoft Office |  |  |
|  OGG | Ogg multimedia container format | 音声 |  |  |
|  OHB | Source | On Hand Basic |  |  |
|  OHS | Outbound History | Bink/+ |  |  |
|  OIF | QuickBase file format |  |  |  |
|  OKT | Music (8 channels) | Oktalyzer |  |  |
|  OKT | Music format | Oktalyzer |  |  |
|  OLB | Object library | VAX |  |  |
|  OLD | Backup file |  |  |  |
|  OLI | Text file | Olivetti |  |  |
|  OLSR | Configuration file | olsrd |  |  |
|  OMA | Audio file | Labelgate CD 2, MAGIQLIP2 | 音声 |  |
|  OOF | Data | Outrage 3D Object Format (Descent) |  |  |
|  OOG | Data | WEBOOGL 3D object |  |  |
|  OOM | Swap file | Shroom |  |  |
|  OPJ | Origin Project File | Origin version 4.1 and later |  |  |
|  OPN | Active options | Exact |  |  |
|  OPT | オプションファイル | 多数 |  |  |
|  OPT | Delphi project options | Borland Delphi |  |  |
|  OPT | Optimize support file | QEMM |  |  |
|  OPW | Organization chart | Org Plus for Windows |  |  |
|  OPX | Inactive options | Exact |  |  |
|  ORA | Parameter file | Oracle |  |  |
|  ORG | Calendar file | Lotus Organizer |  |  |
|  ORG | Older Origin Project | Origin versions 4 or earlier |  |  |
|  OTG | OpenDocument drawing template | OpenOffice.org Draw |  |  |
|  OTB | Over-the-air bitmap graphics |  |  |  |
|  OTH | OpenDocument HTML document template | OpenOffice.org |  |  |
|  OTL | Outline font description | Z-Soft Type Foundry |  |  |
|  OTL | Ventura Publisher's Type Foundry Outline Editor format |  |  |  |
|  OTP | OpenDocument presentation template | OpenOffice.org Impress |  |  |
|  OTS | OpenDocument spreadsheet template | OpenOffice.org Math |  |  |
|  OTT | OpenDocument text document template | OpenOffice.org Writer | 文書 |  |
|  OTX | Text file | Olivetti Olitext Plus |  |  |
|  OUT | Output file |  |  |  |
|  OV1 | Overlay file (part of program to be loaded when needed) |  |  |  |
|  OV2 | Overlay file (part of program to be loaded when needed) | TomTom Point of Interest |  |  |
|  OVD | Datafile | ObjectVision |  |  |
|  OVL | Overlay file (part of program to be loaded when needed) |  |  |  |
|  OVR | Overlay file (part of program to be loaded when needed) |  |  |  |
|  OXT | OpenOffice.org extension | OpenOffice.org |  |  |
|  P | Database PROGRESS source code | PROGRESS |  |  |
|  P | PASCAL source code file |  |  |  |
|  P | Parser source code file |  |  |  |
|  P | Picture file | APPLAUSE |  |  |
|  P | Rea-C-Time application parameter file | ReaGeniX code generator |  |  |
|  P0? | Split archive UC2 | SAS.EXE |  |  |
|  P10 | Tektronix Plot | GCGW |  |  |
|  P10 | Certificate Request |  |  |  |
|  P12 | Personal Information Exchange | "Crypto Shell Extensions" |  |  |
|  P16 | Music (16 channels) | ProTracker Studio 16 |  |  |
|  P22 | Patch file (Patch22) | Patch22 |  |  |
|  P80 | PLM-80 source |  |  |  |
|  P86 | PLM-86 source |  |  |  |
|  p2v | バックアップファイル | plan2viz (windowsbased) |  |  |
|  P3T | PlayStation 3 Theme file | PS3 Theme settings menu |  |  |
|  PA1 | Worktable | PageAhead |  |  |
|  PAC | SBStudio II Package or Song | SBStudio II |  |  |
|  PAC | STAD Image (graphics ?) |  |  |  |
 PACK: 
|  PACKAGE | Content | The Sims 2 |  |  |
|  PAD | Automatic print definitions | Produa |  |  |
|  PAD | Keypad definition | Telemate |  |  |
|  PAF | For Personal Ancestral File data files |  |  |  |
|  PAGES | Pages document file | Pages (Apple iWork '08) |  |  |
|  PAK | Archive | Pak |  |  |
|  PAL | Palette file | Microsoft Draw - Win. Paintbrush - many |  |  |
|  PAL | Palette file | Diablo II |  |  |
|  PAN | Printer-specific file (copy to coreldrw.ink) | CorelDRAW |  |  |
|  PAR | Parameter file | Fractint |  |  |
|  PAR | PARTS application | Digitalk PARTS |  |  |
|  PAR | Permanent output file | Windows 3.x |  |  |
|  PAR | Parity Archive |  |  |  |
|  PAR2 | Parity Archive v2 |  |  |  |
|  PART | Part of a download file |  |  |  |
|  PAS | Pascal language source | Borland Pascal |  |  |
|  PAT | Gravis Ultrasound Patch | Convert (c) Villena |  |  |
|  PAT | Hatch patterns | AutoCAD - Photostyler |  |  |
|  PAT | Vector fill files | CorelDRAW |  |  |
|  PAT | Pattern File | Photoshop |  |  |
|  PAT | GIMP pattern |  |  |  |
|  PB | Fax | FAXability Plus |  |  |
|  PB | Phonebook | WindowsFax Pro |  |  |
|  PB | Proboard Conf. files | Proboard |  |  |
|  PB | Setup file | PixBase |  |  |
|  PB1 | Document | First Publisher for Windows |  |  |
|  PBA | Powerbasic BASIC source code | Genus |  |  |
|  PBD | Phone book | FaxNOW! - Faxit |  |  |
|  PBD | Molecule (protein data bank) |  |  |  |
|  PBI | Powerbasic include file | Genus |  |  |
|  PBI | Profiler Binary Input | Microsoft Source Profiler |  |  |
|  PBK | Microsoft Network Phone book | MSN |  |  |
|  PBL | Powerbasic library | Genus |  |  |
|  PBM | PBM Portable Bit Map graphics format | Jasc Media C. |  |  |
|  PBM | Planar bitmap graphics | XLib |  |  |
|  PBO | Profiler Binary Output | Microsoft Source Profiler |  |  |
|  PBT | Profiler Binary Table | Microsoft Source Profiler |  |  |
|  PC | Text file containing IBM PC specific info |  |  |  |
|  PC3 | Custom palette | Harvard Graphics 3.0 |  |  |
|  PC8 | ASCII text IBM8 character set | NewWave Write |  |  |
|  PCA | Perfect Clarity Audio | Sony Vegas Pro |  |  |
|  PCB | P-CAD database | P-CAD, PCBExpress, その他の Printed Curcuit Board ソフトウェア |  |  |
|  PCB | Artwork design file (Circuit board design) | Zuken CadStar |  |  |
|  PCC | Cutout picture vector graphics | PC Paintbrush |  |  |
|  PCD | Graphics format (Kodak Photo-CD) |  |  |  |
|  PCD | Kodak Photo-CD Image graphics file (768x512) | hpcdtoppm |  |  |
|  PCF | Pixel Coordination Format |  |  |  |
|  PCH | Patch file |  |  |  |
|  PCH | Precompiled header | Microsoft C/C++ |  |  |
|  PCJ | Multimedia authoring tool graphics file | IBM's Linkaway-Live |  |  |
|  PCK | Pickfile | Turbo Pascal |  |  |
|  PCL | HP-PCL graphics data file | HP Printer Control Language |  |  |
|  PCM | OKI MSM6376 synth chip PCM | AWAVE |  |  |
|  PCM | PCM | Authorware |  |  |
|  PCS | Microsoft PowerPoint picture package | Microsoft PowerPoint - Microsoft ClipArt Gallery |  |  |
|  PCT | Bitmap graphics file | Macintosh b&w PICT1 - color PICT2 |  |  |
|  PCW | Text file | PC Write |  |  |
|  PCX | PC paintbrush bitmap format | QPeg - Display - ZSoft - PC Paintbrush |  |  |
|  PDA | Bitmap graphics |  |  |  |
|  PDB | Data | TACT |  |  |
|  PDB | Packrat 5.0 data file | Packrat 5.0 |  |  |
|  PDB | Molecule (protein data bank) |  |  |  |
|  PDD | Adobe Photoshop Elements Image | Adobe Photoshop Elements |  |  |
|  PDE | Pathology Data Exchange |  |  |  |
|  PDE | data | PowerDesk Encrypted |  |  |
|  PDF | Adobe's Portable Document Format | Adobe Acrobat Reader |  |  |
|  PDF | Graphics file (ED-SCAN 24bit format) |  |  |  |
|  PDF | Package Definition File |  |  |  |
|  PDF | PCAD Database Interchange Format | Pdifin.exe - Pdifout.exe |  |  |
|  PDF | Print device information Netware |  |  |  |
|  PDG | Print Shop Deluxe data file |  |  |  |
|  PDI | Portable Database Image |  |  |  |
|  PDL | Project Description Language file | Borland C++ 4.5 |  |  |
|  PDM | Program | Deskmate |  |  |
|  PDM | PowerDesigner's physical data model (relational model) file format | PowerDesigner |  |  |
|  PDM | Visual Basic (VB) Project Information File | Visual Basic |  |  |
|  PDN | Image file | Paint.NET |  |  |
|  PDS | PALASM Design Description |  |  |  |
|  PDS | Pds graphics |  |  |  |
|  PDS | Planetary Data System Format |  |  |  |
|  PDS | Pldasm source code file (hardware assembly) |  |  |  |
|  PDV | Printer driver | Paintbrush |  |  |
|  PDW | Document | Professional Draw |  |  |
|  PEB | Program Editor bottom overflow file | WordPerfect Library |  |  |
|  PED | Program Editor delete save | WordPerfect Library |  |  |
|  PEM | Program Editor macro | WordPerfect Library |  |  |
|  PEQ | Program Editor print queue file | WordPerfect Library |  |  |
|  PER | Program Editor resident area | WordPerfect Library |  |  |
|  PES | Program Editor work space file | WordPerfect Library |  |  |
|  PET | Program Editor top overflow file | WordPerfect Library |  |  |
|  pet | package | Puppy Linux |  |  |
|  PEX | Proboard EXecutable file (Executed from PB) | Proboard |  |  |
|  PFA | PostScript Font File |  |  |  |
|  PFA | Type 3 font file (unhinted PostScript font) |  |  |  |
|  PFB | Adobe Acrobat document | Adobe Acrobat Reader |  |  |
|  PFB | PostScript font | Adobe Type Manager (ATM) |  |  |
|  PFC | Personal File Cabinet | AOL |  |  |
|  PFC | Text file | First Choice |  |  |
|  PFK | Programmable function keys | XTreePro |  |  |
|  PFM | Windows Type 1 font metric file |  |  |  |
|  PFS | Database (PFS:FILE) - text file (PFS:Write) | PFS |  |  |
|  PFT | Printer font | ChiWriter |  |  |
|  PG | Page cut/paste file | IBM LinkWay |  |  |
| PGD |  | PGP cripted disk |  |  |
|  PGI | Printer Graphics File device driver | PGRAPH library |  |  |
|  PGL | HP Plotter vector graphics format |  |  |  |
|  PGM | Graphics format (Portable GrayMap) | JASC Media C. |  |  |
|  PGM | Program | Signature |  |  |
|  PGP | Support file | Pretty Good Privacy RSA System |  |  |
|  PGS | Manual page | man4dos |  |  |
|  PH | Optimized .goh file | Geoworks |  |  |
|  PH | Perl header file |  |  |  |
|  PH | Phrase-table | Microsoft C/C++ |  |  |
|  PHD | PolyHedra Database |  |  |  |
|  PHM | Phone book | DN - Lync |  |  |
|  PHN | Phone list | UltraFax - QmodemPro |  |  |
|  PHO | Phone database | Metz Phone for Windows |  |  |
|  PHP | PHP file |  |  |  |
|  PHP3 | PHP 3 file |  |  |  |
|  PHP4 | PHP 4 file |  |  |  |
|  PHR | Phrases | LocoScript |  |  |
|  PI2 | Portrait Innovations High Resolution Encrypted Image file | Portrait Innovations Studio2 (proprietary) |  |  |
|  PIC | 123 Vector graphics format | CShow - Alchemy - Paint (Pictor) | 画像 |  |
|  PIC | Bitmap graphics file | Macintosh b&w PICT1 - color PICT2 | 画像 |  |
|  PIC | Lotus picture |  | 画像 |  |
|  PIC | PIXAR picture file | SDSC Image Tool | 画像 |  |
|  PICT | Macintosh Picture |  | 画像 |  |
|  PIE | GlovePIE script file | GlovePIE  |  |  |
|  PIF | OS/2 graphics metafile | PICVIEW.EXE |  |  |
|  PIF | Program Information File | Windows 3.x |  |  |
|  PIF | Vector graphics GDF format file (IBM mainframe computers) |  |  |  |
|  PiM | Pascal Text Mode Image File | The Ultimate Draw |  |  |
|  PIT | Compressed Mac file archive created by PACKIT | unpackit.zoo |  |  |
|  PIV | Pivot Stick Animator file | Pivot Stick Animator |  |  |
|  PIX | Alias image file | SDSC Image Tool |  |  |
|  PIX | Inset Pix |  |  |  |
|  PJ | Project | CA-SuperProject |  |  |
|  PJT | Additional (FPT) project description file | FoxPro |  |  |
|  PJX | Main (DBF) project description file | FoxPro |  |  |
|  PK | PacKed bitmap font bitmap file (TeX DVI drivers) |  |  |  |
|  PK | Peak file | Cool Edit |  |  |
|  PK2 | Quake 2 data file | id Software |  |  |
|  PK3 | Quake 3 data file | id Software |  |  |
|  PK4 | Doom 3 and Quake 4 data file | id Software |  |  |
|  PKA | Archive | PKARC |  |  |
|  PKG | Installer script | Next, macOS, Sony PS3 |  |  |
|  PKG | P-CAD database | P-CAD |  |  |
|  PKT | Fido message packet | FTN software |  |  |
|  PL | Palette | Harvard Graphics |  |  |
|  PL | Perl source code file |  |  |  |
|  PL | Prolog source code file |  |  |  |
|  PL | Property List font metric file | TeX |  |  |
|  PL1 | Room plan | 3D Home Architect |  |  |
|  PL2 | Palette | Diablo II |  |  |
|  PL3 | Chart palette | Harvard Graphics 3.0 |  |  |
|  PLA | Playlist |  |  |  |
|  PLB | FoxPro library | FoxPro |  |  |
|  PLB | P-CAD library | P-CAD |  |  |
|  PLC | Add-in file (functions - macros - applications) | Lotus 1-2-3 |  |  |
|  PLC | P-CAD database | P-CAD |  |  |
|  PLD | PhotoLine Document | PhotoLine image processing |  |  |
|  PLE | Encrypted Chat Log | Messenger Plus! Live Plugin - Log viewer |  |  |
|  PLIST | Mac OS Property List | Apple's Property List Editor |  |  |
|  PLL | Prelinked library | CA Clipper |  |  |
|  PLM | DisorderTracker2 music module | AWAVE |  |  |
|  PLN | Spreadsheet | WordPerfect for Win |  |  |
|  PLP | Playlist |  |  |  |
|  PLP | Messenger Plus! Sound Pack | Messenger Plus! Live Plugin |  |  |
|  PLS | Playlist file | WarpVision (OS/2) |  |  |
|  PLSC | Messenger Plus! Script Pack | Messenger Plus! Live Plugin |  |  |
|  PLSK | Messenger Plus! Skin Pack | Messenger Plus! Live Plugin |  |  |
|  PLT | HPGL plotter file vector graphics | AutoCAD |  |  |
|  PLT | Output file for ploter |  |  |  |
|  PLT | P CAD: Output file editor for PCPLOT or PCPRINT | P CAD |  |  |
|  PLT | Page Magic 2.0 paper format | Page Magic 2.0 |  |  |
|  PLT | Palette |  |  |  |
|  PLT | Table for .pll | CA Clipper |  |  |
|  PLY | Data | PopMail |  |  |
|  PLY | Presentation screen | Harvard Spotlight |  |  |
|  PLY2 | Data | PLY2 object |  |  |
|  PLY | ZipPack |  |  |  |
|  PM | Auran Jet progressive mesh file (obsoleted by IM and LM) | Trainz |  |  |
|  PM | Perl module |  |  |  |
|  PM | Bitmap graphics | Presentation Manager |  |  |
|  PM3 | PageMaker 3.0 data file | PageMaker 3.0 |  |  |
|  PM4 | Document | PageMaker 4 |  |  |
|  PM5 | Aldus PageMaker 5.0 publication | Aldus PageMaker |  |  |
|  PMC | Graphics | A4TECH Scanner |  |  |
|  PMI | OS/2 V3 SVGA PMI-File | Svga.exe |  |  |
|  PMI | PhatPad note | PathWare |  |  |
|  PMM | Program file | Amaris BTX/2 |  |  |
|  PMP | PhotoMorph Project | PhotoMorph |  |  |
|  PN3 | Printer device driver | Harvard Graphics 3.0 |  |  |
|  PNG | Portable Network Graphics, Animated Portable Network Graphics | 多数 | 画像/動画 |  |
|  PNF | Pre-compiled Setup Information file | Microsoft Windows |  |  |
|  PNM | PBM Portable aNy Map graphics file |  |  |  |
|  PNT | Macintosh painting |  |  |  |
|  PNT | Pointlist segment | FTN software |  |  |
|  PNT | QWK reader pointer file | MarkMail 2.x |  |  |
|  POH | Optimized .goh file | Geoworks |  |  |
|  POL | InnovMetric Software Polygon Models Format |  |  |  |
|  POLICY | Group Policy File | Microsoft Windows |  |  |
|  POLY | Data | Patrick Flynn's Poly Format - 3D object |  |  |
|  POP | Messages index | PopMail |  |  |
|  POP | Pop-up menu object | dBASE Application Generator |  |  |
|  POT | Microsoft PowerPoint template |  |  |  |
|  POV | Raytraced graphics image | Persistence Of Vision |  |  |
|  POW | Power Chords instrument/song file | Power Chords |  |  |
|  PP | Amiga archive | POWERPACKER |  |  |
|  PPA | Microsoft PowerPoint Add-in |  |  |  |
|  PPB | Button bar for Print Preview | WordPerfect for Win |  |  |
|  PPD | PostScript printer description file |  |  |  |
|  PPJ | Premiere Project | Premiere |  |  |
|  PPK | Archive (using for many distributives) | PPK |  |  |
|  PPL | PolaroidPalettePlus ColorKey device driver | Harvard Graphics 3.0 |  |  |
|  PPM | Graphics format (Portable PixelMap) | JASC Media C. |  |  |
|  PPO | Preprocessor output | CA Clipper 5.* |  |  |
|  PPP | Publication | PagePlus |  |  |
|  PPS | Storyboard | Personal Producer |  |  |