[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension:v3:en:apc":3},{"resolvedFromAlias":4,"canonicalExt":5,"ext":5,"name":6,"category":7,"categoryName":8,"updatedAt":9,"popularity":10,"summary":11,"howToOs":12,"quickAnswer":18,"answerIntro":19,"whatIs":20,"description":21,"furtherReading":22,"openInstructions":32,"commonIssues":47,"securityNotes":60,"faq":64,"aliases":71,"mimeTypes":72,"relatedExtensions":73,"breadcrumbs":118,"categoryAnchor":128,"categoryFuturePath":129,"metaDescription":130,"availableHowToOs":131,"openOnDeviceLinks":132,"cannotOpenReasons":148,"cannotOpenFixes":149,"fixIntentPath":150,"convertOptions":151,"convertIntentPath":155,"securityAffiliates":208},false,"apc","Atari Portfolio Compressed File","data","Data","2026-03-19T08:52:11.078Z",15,"APC files are compressed data files used by the Atari Portfolio, a palmtop computer from the late 1980s.",[13,14,15,16,17],"windows","mac","linux","ios","android","To open .APC files on Windows, download an Atari Portfolio emulator like 'Portfolio PC',.","APC files can be opened using specialized software designed for legacy Atari Portfolio systems. To open a .apc file, you will need an emulator or conversion tool.","APC files are compressed data files associated with the Atari Portfolio, an early handheld computer. These files store data in a compressed format to save space on the limited storage of the device.","The Atari Portfolio was one of the first palmtop computers, released in 1989. It was a pioneering device for its time, offering a portable computing solution with a DOS-compatible operating system. APC files were used to store data efficiently on the Portfolio's limited storage capacity. Although the device is now obsolete, enthusiasts and collectors still explore its capabilities. APC files are typically accessed using emulators or conversion tools that can interpret the compressed data format.",[23,26,29],{"title":24,"url":25},"Atari Portfolio - Wikipedia","https://en.wikipedia.org/wiki/Atari_Portfolio",{"title":27,"url":28},"Portfolio PC Emulator","http://www.vintage-computer.com/portfolio.shtml",{"title":30,"url":31},"DOSBox Official Website","https://www.dosbox.com/",{"windows":33,"macos":36,"linux":39,"ios":42,"android":44},[34,35],"Download an Atari Portfolio emulator like 'Portfolio PC',","Use the emulator to open the .apc file.",[37,38],"Install an emulator such as 'DOSBox',","Run the emulator and open the .apc file within it.",[40,41],"Install 'DOSBox' from your package manager,","Use DOSBox to open the .apc file.",[43],"Use an app like 'iDOS 2' to emulate DOS and open the file.",[45,46],"Download 'Magic DOSBox',","Use it to open the .apc file.",[48,54],{"title":49,"description":50,"steps":51},"File won't open","The file may not open if the emulator is not configured correctly.",[52,53],"Ensure the emulator is properly installed and configured.","Check if the .apc file is not corrupted.",{"title":55,"description":56,"steps":57},"Corrupted file","APC files may become corrupted due to transfer errors.",[58,59],"Try downloading the file again.","Use a file repair tool if available.",[61,62,63],"Always download emulators from reputable sources to avoid malware.","Be cautious when downloading .apc files from untrusted websites.","Ensure your antivirus software is up to date when handling legacy file formats.",[65,68],{"question":66,"answer":67},"Can I convert APC files to modern formats?","Yes, certain tools can convert APC files to more accessible formats, but compatibility may vary.",{"question":69,"answer":70},"Are there any modern uses for APC files?","APC files are primarily of interest to collectors and technology enthusiasts exploring vintage computing.",[],[],[74,80,86,92,98,103,108,113],{"ext":75,"name":76,"category":7,"categoryName":8,"popularity":77,"summary":78,"howToOs":79},"json","JavaScript Object Notation",88,"JSON is a lightweight text format used for APIs, configuration files, and data exchange.",[13,14,15,16,17],{"ext":81,"name":82,"category":7,"categoryName":8,"popularity":83,"summary":84,"howToOs":85},"pkpass","Apple Wallet Pass",54,"PKPASS files contain digital tickets, boarding passes, coupons, and loyalty cards for wallet apps.",[13,14,15,16,17],{"ext":87,"name":88,"category":7,"categoryName":8,"popularity":89,"summary":90,"howToOs":91},"dat","Data File",40,".dat files are generic data files that can contain various types of data, often used by specific applications.",[13,14,15,16,17],{"ext":93,"name":94,"category":7,"categoryName":8,"popularity":95,"summary":96,"howToOs":97},"ac","AC Data File",35,".AC files are specialized data files used by certain applications, requiring compatible software to open them.",[13,14,15,16,17],{"ext":99,"name":100,"category":7,"categoryName":8,"popularity":95,"summary":101,"howToOs":102},"cl","CL Data File",".CL files are used for structured application data, imports/exports, and machine-readable workflows. Open with the originating app, text editors, or specialized data tools. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/simple-filter+xml.",[13,14,15,16,17],{"ext":104,"name":105,"category":7,"categoryName":8,"popularity":95,"summary":106,"howToOs":107},"cu","CU Data File",".CU files are used for structured application data, imports/exports, and machine-readable workflows. Open with the originating app, text editors, or specialized data tools. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/cu-seeme.",[13,14,15,16,17],{"ext":109,"name":110,"category":7,"categoryName":8,"popularity":95,"summary":111,"howToOs":112},"cw","CW Data File",".CW files are used for structured application data, imports/exports, and machine-readable workflows. Open with the originating app, text editors, or specialized data tools. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/prs.cww.",[13,14,15,16,17],{"ext":114,"name":115,"category":7,"categoryName":8,"popularity":95,"summary":116,"howToOs":117},"dl","DL Data File",".DL files are used for structured application data, imports/exports, and machine-readable workflows. Open with the originating app, text editors, or specialized data tools. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/vnd.datalog.",[13,14,15,16,17],[119,122,125],{"label":120,"to":121},"Home","/",{"label":123,"to":124},"File Extension Index","/file-extension",{"label":126,"to":127},".APC","/file-extension/apc","category-data","/category/data","Learn what .APC files are, how to open them on every platform, common fixes, and security best practices.",[13,14,15,16,17],[133,136,139,142,145],{"os":13,"label":134,"to":135},"Open .APC on Windows","/how-to/open-apc-on-windows",{"os":14,"label":137,"to":138},"Open .APC on Mac","/how-to/open-apc-on-mac",{"os":15,"label":140,"to":141},"Open .APC on Linux","/how-to/open-apc-on-linux",{"os":16,"label":143,"to":144},"Open .APC on iOS","/how-to/open-apc-on-ios",{"os":17,"label":146,"to":147},"Open .APC on Android","/how-to/open-apc-on-android",[49,55],[52,53],"/fix/apc",[152,156,160,164,168,172,176,180,184,188,192,196,200,204],{"fromExt":5,"toExt":153,"toLabel":154,"path":155},"aac",".AAC","/how-to/convert/apc-to-aac",{"fromExt":5,"toExt":157,"toLabel":158,"path":159},"ac3",".AC3","/how-to/convert/apc-to-ac3",{"fromExt":5,"toExt":161,"toLabel":162,"path":163},"aiff",".AIFF","/how-to/convert/apc-to-aiff",{"fromExt":5,"toExt":165,"toLabel":166,"path":167},"au",".AU","/how-to/convert/apc-to-au",{"fromExt":5,"toExt":169,"toLabel":170,"path":171},"f4a",".F4A","/how-to/convert/apc-to-f4a",{"fromExt":5,"toExt":173,"toLabel":174,"path":175},"flac",".FLAC","/how-to/convert/apc-to-flac",{"fromExt":5,"toExt":177,"toLabel":178,"path":179},"m4a",".M4A","/how-to/convert/apc-to-m4a",{"fromExt":5,"toExt":181,"toLabel":182,"path":183},"m4b",".M4B","/how-to/convert/apc-to-m4b",{"fromExt":5,"toExt":185,"toLabel":186,"path":187},"m4r",".M4R","/how-to/convert/apc-to-m4r",{"fromExt":5,"toExt":189,"toLabel":190,"path":191},"mka",".MKA","/how-to/convert/apc-to-mka",{"fromExt":5,"toExt":193,"toLabel":194,"path":195},"mp3",".MP3","/how-to/convert/apc-to-mp3",{"fromExt":5,"toExt":197,"toLabel":198,"path":199},"ogg",".OGG","/how-to/convert/apc-to-ogg",{"fromExt":5,"toExt":201,"toLabel":202,"path":203},"wav",".WAV","/how-to/convert/apc-to-wav",{"fromExt":5,"toExt":205,"toLabel":206,"path":207},"wma",".WMA","/how-to/convert/apc-to-wma",[209,213],{"name":210,"description":211,"affiliateUrl":212},"Avast","Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.","https://www.avast.com/lp-aff-consumer-store?expid=inf601",{"name":214,"description":215,"affiliateUrl":216},"Norton","Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.","http://buy.norton.com/aff_home?utm_campaign=en-ww_nor_n36_aff_nas_nau_nah_cj_nad_low:_sec_nat_mktc_norton_360"]