[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension:v3:en:gsm":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":43,"securityNotes":56,"faq":60,"aliases":67,"mimeTypes":68,"relatedExtensions":69,"breadcrumbs":114,"categoryAnchor":124,"categoryFuturePath":125,"metaDescription":126,"availableHowToOs":127,"openOnDeviceLinks":128,"cannotOpenReasons":144,"cannotOpenFixes":145,"fixIntentPath":146,"convertOptions":147,"convertIntentPath":151,"securityAffiliates":200},false,"gsm","Global System for Mobile Communications Audio","audio","Audio","2026-03-19T08:52:57.258Z",20,"GSM files are audio files that use the GSM 6.10 lossy compression algorithm, primarily for telephony.",[13,14,15,16,17],"windows","mac","linux","ios","android","To open .GSM files on Windows, download and install VLC Media Player.","GSM files are audio files that can be opened with various audio players and editors. To open a .gsm file, you can use software like VLC Media Player or Audacity.","The GSM file format is an audio format that uses the GSM 6.10 lossy compression algorithm. It is designed for voice audio compression in telephony systems, providing good compression ratios and acceptable quality for voice data.","The GSM file format emerged as a standard for compressing voice audio data in mobile communications. It is widely used in telephony systems due to its ability to compress audio data effectively while maintaining clarity in voice transmission. The format is particularly optimized for the human voice, making it less suitable for music or other complex audio. GSM files are often used in voicemail systems, audio messaging, and other telephony applications. Despite its specific use case, the format can be opened and edited with several audio software applications, making it versatile for developers and audio engineers working with telephony systems.",[23,26,29],{"title":24,"url":25},"GSM Audio on Wikipedia","https://en.wikipedia.org/wiki/GSM_6.10",{"title":27,"url":28},"VLC Media Player Official Site","https://www.videolan.org/vlc/",{"title":30,"url":31},"Audacity Official Site","https://www.audacityteam.org/",{"windows":33,"macos":36,"linux":37,"ios":39,"android":41},[34,35],"Download and install VLC Media Player.","Open VLC and drag the .gsm file into the player.",[34,35],[38,35],"Install VLC Media Player via your package manager.",[40],"Use an app like VLC for Mobile to open the file.",[42],"Use an app like VLC for Android to open the file.",[44,50],{"title":45,"description":46,"steps":47},"File won't open","The file may not open if the software does not support the GSM format.",[48,49],"Ensure you are using a compatible player like VLC.","Check for software updates.",{"title":51,"description":52,"steps":53},"Poor audio quality","GSM files are optimized for voice, so music or complex audio may sound poor.",[54,55],"Consider converting the file to a different format for better quality.","Use audio editing software to enhance the quality.",[57,58,59],"Ensure files are from trusted sources to avoid malware.","Be cautious of executing scripts or macros from unknown GSM files.","Regularly update your audio software to patch security vulnerabilities.",[61,64],{"question":62,"answer":63},"Can I convert GSM files to MP3?","Yes, you can use audio conversion software like Audacity to convert GSM files to MP3.",{"question":65,"answer":66},"Is GSM suitable for music?","GSM is not ideal for music as it is optimized for compressing voice data.",[],[],[70,76,82,88,94,99,104,109],{"ext":71,"name":72,"category":7,"categoryName":8,"popularity":73,"summary":74,"howToOs":75},"mp3","MPEG Audio Layer III",90,"MP3 is a popular audio format known for its efficient compression, making it ideal for music and podcasts.",[13,14,15,16,17],{"ext":77,"name":78,"category":7,"categoryName":8,"popularity":79,"summary":80,"howToOs":81},"wav","Waveform Audio File",68,"WAV files are high-quality audio files often used in professional audio recording and editing due to their lossless nature.",[13,14,15,16,17],{"ext":83,"name":84,"category":7,"categoryName":8,"popularity":85,"summary":86,"howToOs":87},"alac","Apple Lossless Audio Codec",60,"ALAC files are audio files encoded using the Apple Lossless Audio Codec, providing high-quality audio compression without data loss.",[13,14,15,16,17],{"ext":89,"name":90,"category":7,"categoryName":8,"popularity":91,"summary":92,"howToOs":93},"aax","Audible Enhanced Audiobook",40,".aax files are audio files used by Audible for audiobooks, featuring enhanced features like images and links.",[13,14,15,16,17],{"ext":95,"name":96,"category":7,"categoryName":8,"popularity":91,"summary":97,"howToOs":98},"caf","Core Audio Format","CAF is an audio file format developed by Apple, used for storing audio data and supporting a wide range of audio formats.",[13,14,15,16,17],{"ext":100,"name":101,"category":7,"categoryName":8,"popularity":91,"summary":102,"howToOs":103},"m4b","MPEG-4 Audio Book","M4B files are audio files used for audiobooks, supporting bookmarking and chapter breaks.",[13,14,15,16,17],{"ext":105,"name":106,"category":7,"categoryName":8,"popularity":91,"summary":107,"howToOs":108},"m4r","MPEG-4 Ringtone","M4R files are audio files used specifically as ringtones for Apple devices.",[13,14,15,16,17],{"ext":110,"name":111,"category":7,"categoryName":8,"popularity":91,"summary":112,"howToOs":113},"mpeg3","MPEG Layer III Audio","MPEG3 files are audio files compressed using the MPEG Layer III technique, commonly known as MP3, allowing for efficient storage and distribution of music.",[13,14,15,16,17],[115,118,121],{"label":116,"to":117},"Home","/",{"label":119,"to":120},"File Extension Index","/file-extension",{"label":122,"to":123},".GSM","/file-extension/gsm","category-audio","/category/audio","Learn what .GSM files are, how to open them on every platform, common fixes, and security best practices.",[13,14,15,16,17],[129,132,135,138,141],{"os":13,"label":130,"to":131},"Open .GSM on Windows","/how-to/open-gsm-on-windows",{"os":14,"label":133,"to":134},"Open .GSM on Mac","/how-to/open-gsm-on-mac",{"os":15,"label":136,"to":137},"Open .GSM on Linux","/how-to/open-gsm-on-linux",{"os":16,"label":139,"to":140},"Open .GSM on iOS","/how-to/open-gsm-on-ios",{"os":17,"label":142,"to":143},"Open .GSM on Android","/how-to/open-gsm-on-android",[45,51],[48,49],"/fix/gsm",[148,152,156,160,164,168,172,176,179,182,186,189,193,196],{"fromExt":5,"toExt":149,"toLabel":150,"path":151},"aac",".AAC","/how-to/convert/gsm-to-aac",{"fromExt":5,"toExt":153,"toLabel":154,"path":155},"ac3",".AC3","/how-to/convert/gsm-to-ac3",{"fromExt":5,"toExt":157,"toLabel":158,"path":159},"aiff",".AIFF","/how-to/convert/gsm-to-aiff",{"fromExt":5,"toExt":161,"toLabel":162,"path":163},"au",".AU","/how-to/convert/gsm-to-au",{"fromExt":5,"toExt":165,"toLabel":166,"path":167},"f4a",".F4A","/how-to/convert/gsm-to-f4a",{"fromExt":5,"toExt":169,"toLabel":170,"path":171},"flac",".FLAC","/how-to/convert/gsm-to-flac",{"fromExt":5,"toExt":173,"toLabel":174,"path":175},"m4a",".M4A","/how-to/convert/gsm-to-m4a",{"fromExt":5,"toExt":100,"toLabel":177,"path":178},".M4B","/how-to/convert/gsm-to-m4b",{"fromExt":5,"toExt":105,"toLabel":180,"path":181},".M4R","/how-to/convert/gsm-to-m4r",{"fromExt":5,"toExt":183,"toLabel":184,"path":185},"mka",".MKA","/how-to/convert/gsm-to-mka",{"fromExt":5,"toExt":71,"toLabel":187,"path":188},".MP3","/how-to/convert/gsm-to-mp3",{"fromExt":5,"toExt":190,"toLabel":191,"path":192},"ogg",".OGG","/how-to/convert/gsm-to-ogg",{"fromExt":5,"toExt":77,"toLabel":194,"path":195},".WAV","/how-to/convert/gsm-to-wav",{"fromExt":5,"toExt":197,"toLabel":198,"path":199},"wma",".WMA","/how-to/convert/gsm-to-wma",[201,205],{"name":202,"description":203,"affiliateUrl":204},"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":206,"description":207,"affiliateUrl":208},"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"]