[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension:v3:en:mp":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":44,"securityNotes":57,"faq":60,"aliases":67,"mimeTypes":68,"relatedExtensions":69,"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,"mp","Multiplan Spreadsheet","documents","Documents","2026-03-19T08:53:50.606Z",15,"The .mp file extension is associated with Multiplan, an early spreadsheet program developed by Microsoft.",[13,14,15,16,17],"windows","mac","linux","ios","android","To open .MP files on Windows, use a file conversion tool to convert the .mp file to a more modern format like .xls or .xlsx.","The .mp file is a spreadsheet file created by Multiplan, an older Microsoft application. To open it, you may need specialized software or conversion tools.","The .mp file format was used by Multiplan, a spreadsheet application from Microsoft that was popular in the early 1980s. These files contain data organized in rows and columns, similar to modern spreadsheets.","Multiplan was one of Microsoft's first spreadsheet programs, released in 1982, and was available on various platforms including MS-DOS, CP/M, and Apple II. It was eventually overshadowed by Microsoft Excel, which offered more advanced features and better compatibility with other Microsoft Office products. Despite its obsolescence, some legacy systems and data archives might still contain .mp files. These files are primarily of interest to those dealing with historical data or digital preservation projects. Due to the age of the format, opening .mp files today can be challenging, requiring either emulation of old software environments or conversion to more modern spreadsheet formats.",[23,26,29],{"title":24,"url":25},"Multiplan on Wikipedia","https://en.wikipedia.org/wiki/Multiplan",{"title":27,"url":28},"Microsoft's History of Multiplan","https://www.microsoft.com/en-us/research/project/multiplan/",{"title":30,"url":31},"Opening Old File Formats","https://www.techrepublic.com/article/how-to-open-old-file-formats/",{"windows":33,"macos":36,"linux":38,"ios":41,"android":43},[34,35],"Use a file conversion tool to convert the .mp file to a more modern format like .xls or .xlsx.","Alternatively, use a DOS emulator to run the original Multiplan software if available.",[34,37],"Consider using a virtual machine to emulate an older operating system that supports Multiplan.",[39,40],"Install a DOS emulator like DOSBox and run Multiplan if you have access to it.","Convert the file using a compatible file conversion tool.",[42],"Use a cloud-based file conversion service to convert the file to a compatible format.",[42],[45,51],{"title":46,"description":47,"steps":48},"File won't open","Modern software doesn't natively support .mp files.",[49,50],"Convert the file to a more common format using a file conversion tool.","Use an emulator to run legacy software that supports .mp files.",{"title":52,"description":53,"steps":54},"Data loss during conversion","Some data may not convert correctly due to format differences.",[55,56],"Verify the converted data against the original file.","Try different conversion tools to find the most accurate one.",[58,59],"Be cautious when downloading conversion tools, as they may contain malware.","Ensure that any emulation software is from a trusted source to avoid security vulnerabilities.",[61,64],{"question":62,"answer":63},"Can I open .mp files with Excel?","Excel does not natively support .mp files, but you can convert them to .xls or .xlsx formats.",{"question":65,"answer":66},"Is there a modern equivalent to Multiplan?","Microsoft Excel is the modern equivalent, offering advanced features and better compatibility.",[],[],[70,76,82,88,94,100,106,112],{"ext":71,"name":72,"category":7,"categoryName":8,"popularity":73,"summary":74,"howToOs":75},"pdf","Portable Document Format",100,"PDF files maintain consistent formatting across devices and are widely used for documents that require a fixed layout, such as forms and reports.",[13,14,15,16,17],{"ext":77,"name":78,"category":7,"categoryName":8,"popularity":79,"summary":80,"howToOs":81},"docx","Microsoft Word Open XML Document",98,"DOCX files are widely used word-processing documents created by Microsoft Word, supporting rich text and multimedia elements.",[13,14,15,16,17],{"ext":83,"name":84,"category":7,"categoryName":8,"popularity":85,"summary":86,"howToOs":87},"xlsx","Microsoft Excel Open XML Spreadsheet",92,"XLSX files are widely-used spreadsheet files that store data, formulas, and charts, and are compatible with various spreadsheet applications.",[13,14,15,16,17],{"ext":89,"name":90,"category":7,"categoryName":8,"popularity":91,"summary":92,"howToOs":93},"pptx","Microsoft PowerPoint Open XML Presentation",85,"PPTX files are widely used for creating and sharing presentation decks with multimedia content.",[13,14,15,16,17],{"ext":95,"name":96,"category":7,"categoryName":8,"popularity":97,"summary":98,"howToOs":99},"txt","Plain Text File",82,"TXT files contain plain text and can be opened on any operating system with a variety of text editors.",[13,14,15,16,17],{"ext":101,"name":102,"category":7,"categoryName":8,"popularity":103,"summary":104,"howToOs":105},"mobi","Mobipocket eBook",65,".mobi is an eBook format used primarily by Amazon Kindle devices and apps.",[13,14,15,16,17],{"ext":107,"name":108,"category":7,"categoryName":8,"popularity":109,"summary":110,"howToOs":111},"pages","Apple Pages Document",61,"PAGES files are word-processing documents created in Apple Pages and commonly shared from macOS and iOS.",[13,14,15,16,17],{"ext":113,"name":114,"category":7,"categoryName":8,"popularity":115,"summary":116,"howToOs":117},"ai","AI Document File",45,".AI files are used for reports, contracts, office collaboration, and formatted text workflows. Open them with office suites or document editors that support the format. This guide covers opening methods, troubleshooting, and security best practices. Common MIME type: application/postscript.",[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},".MP","/file-extension/mp","category-documents","/category/documents","Learn what .MP 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 .MP on Windows","/how-to/open-mp-on-windows",{"os":14,"label":137,"to":138},"Open .MP on Mac","/how-to/open-mp-on-mac",{"os":15,"label":140,"to":141},"Open .MP on Linux","/how-to/open-mp-on-linux",{"os":16,"label":143,"to":144},"Open .MP on iOS","/how-to/open-mp-on-ios",{"os":17,"label":146,"to":147},"Open .MP on Android","/how-to/open-mp-on-android",[46,52],[49,50],"/fix/mp",[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/mp-to-aac",{"fromExt":5,"toExt":157,"toLabel":158,"path":159},"ac3",".AC3","/how-to/convert/mp-to-ac3",{"fromExt":5,"toExt":161,"toLabel":162,"path":163},"aiff",".AIFF","/how-to/convert/mp-to-aiff",{"fromExt":5,"toExt":165,"toLabel":166,"path":167},"au",".AU","/how-to/convert/mp-to-au",{"fromExt":5,"toExt":169,"toLabel":170,"path":171},"f4a",".F4A","/how-to/convert/mp-to-f4a",{"fromExt":5,"toExt":173,"toLabel":174,"path":175},"flac",".FLAC","/how-to/convert/mp-to-flac",{"fromExt":5,"toExt":177,"toLabel":178,"path":179},"m4a",".M4A","/how-to/convert/mp-to-m4a",{"fromExt":5,"toExt":181,"toLabel":182,"path":183},"m4b",".M4B","/how-to/convert/mp-to-m4b",{"fromExt":5,"toExt":185,"toLabel":186,"path":187},"m4r",".M4R","/how-to/convert/mp-to-m4r",{"fromExt":5,"toExt":189,"toLabel":190,"path":191},"mka",".MKA","/how-to/convert/mp-to-mka",{"fromExt":5,"toExt":193,"toLabel":194,"path":195},"mp3",".MP3","/how-to/convert/mp-to-mp3",{"fromExt":5,"toExt":197,"toLabel":198,"path":199},"ogg",".OGG","/how-to/convert/mp-to-ogg",{"fromExt":5,"toExt":201,"toLabel":202,"path":203},"wav",".WAV","/how-to/convert/mp-to-wav",{"fromExt":5,"toExt":205,"toLabel":206,"path":207},"wma",".WMA","/how-to/convert/mp-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"]