How To Fix the “Unable to Expand Zip” Error on a Mac - Alphr

The Archive Utility gives the following error code to many Mac users trying to expand a zip file: “Error 79-Inappropriate file type or ... 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Zipisacommonlyusedformattocompressfilesandisdenotedbythe.zipfilename.Peopleusezipfilestodrasticallyreducethesizeofafileformoreaccessiblestorageortofitthesizelimitationsforemail.Whenthefilesareunzipped,theyreturntotheirregularsizeandfunction.Butsomewidespreaderrorscanhappenduringtheunzipprocess.Readontolearnmoreabouterrorswhenexpandingzipfilesandtheirsolutions.CommonFixesfor“UnableToExpandZip”onaMacDeviceSeveralcommonerrorscancauseyoutohaveproblemswhenexpandingyourzipfilesonyourMac.DownloadIncompleteIfthezipfiledoesn’tdownloadcorrectly,youcangeterrorswhentryingtoexpandthefile.Typically,thiswouldoccuriftherewasadisruptioninyourinternetduringthedownload.Youcanalsoexperienceanincompletedownloadifyouexitthewindowyouweredownloadingfromtooquickly.ThismayhavedisruptedtheconnectionbetweenthesourceofthedownloadandyourMac.Ifyouthinkanincompletedownloadisthesourceofyourerror,trydownloadingthefileagain.PermissionsYouneedpermissiontoexpandazipfile.Ifyoudownloadedthefilefromawebsite,thefilelikelydidn’thaveanypermissions.Ifyoureceivedthefilefromanon-publicsource,youneedtoaskthemiftherearespecialpermissionsonthezipfile.Ifso,theywillneedtograntyoupermissionandresend.FileSizeIfthecompressedoriginalfileistoobig,yourMacwillbeunabletodecompressit.YouwillhavetouseyourMac’sTerminaltoexpandhugefiles.Seetheadditionalsectionsbelowtofindouthowtousetheterminaltoexpandlargezipfileswitherrorcodes.IncompleteCompressionIftheoriginalcompressionwasdoneimproperly,youcouldhavedifficultyexpandingazipfile.Commonfactorsthatcouldinterruptacompressionwouldbeifthecomputershutdownsuddenly,therewasapowerfailure,orifthefilewasmovedfromitsoriginallocation.Ifanydisruptionoccursduringthecompressionprocess,thefilebecomesdamaged.Unfortunately,thereisnowaytofixazipfiledamagedduringthecompressionprocess.Youwillhavetoreturntotheoriginalfileandstartthecompressionagain. Thisshouldresolvetheissue.WhatistheError1AssociatedwithUnableToExpandIfyoutriedtoexpandazipfileonyourMacandreceivedtheArchiveUtilityerrorbox,youlikelygot“Error1-Operationnotpermitted”asaresult.Thisisoneofusers’mostcommonziperrorswhenexpansionfails.Reasonsforthisfailedexpansioncouldbeanyofthereasonslistedaboveinthisarticle.Ifyoureceivethiserrormessage,youshouldopenthezipfileviaMac’sterminal.Tounzipafileintheterminal:OpentheLaunchFinderonyourMacandgoto“Applications.”Navigatetothe“Utilities”folderanddoubleclick“Terminal.”Inputthefollowingcommand:“Unzipfilename.zip”.Replace“filename”withthenameofthefileyouaretryingtoexpand.PressEnteronyourkeyboard.Yourfileshouldstarttounziprightaway. Iftheterminalcannotopenthezipfile,youmayexperienceadownloaderror.RedownloadthezipfiletoyourMacandtryopeningitagain.Thefileshouldexpandwithoutissuesiftheerrorresultedfromadownloadfailure.WhatistheError79ZipError?TheArchiveUtilitygivesthefollowingerrorcodetomanyMacuserstryingtoexpandazipfile:“Error79-Inappropriatefiletypeorformat.”Themostlikelyreasonyou’regettingthiserroristhatthezipfiledownloadwasinterruptedordidruncorrectly.TryredownloadingthefiletoyourMac.Whenyoure-download,don’tclosethewebsiteyou’redownloadingfrom.Iftheerrorhappensagain,yournextbestoptionistoopenthefileusingyourMac’sterminal.Toexpandazipfileintheterminal:PressandholdtheCommandandSpacekeys.Spotlightwillopen.Type“Terminal”intotheSpotlightsearchbarandhittheEnterkey.Whentheterminalopens,type“unzipfilename.zip”andreplace“filename”withthenameofthezipfile.PressEnteronyourkeyboard.Yourfileshouldbegintoexpand.Fixingthe“NoSuchFileorDirectory”ErrorExpandingazipfileonMacmayresultin“Error2-NoSuchFileorDirectory.”ThiserrorstemsfromtheArchiveUtilitynotunderstandingthefilenameandthenthinkingthefiledoesn’texist.Thebestwaytofixthiserroristore-downloadthefile.Trynottoletthecomputergotosleeporleavethewebsiteyouaredownloadingfrom.Onceyouhavedownloadedthenewzipfile,youshouldbeabletoopenit.FixingErrror22Whentryingtoexpandazipfile,somepeoplegetacommonerror:“Error22-InvalidArgument.”Thiserroristypicallycausedbyjunkfilesinterferingwithyourcomputer.Thebestwaytodealwithjunkfilesistodeletethem.YoucouldresolveError22bydeletingthecachesonyourMac.Usethefollowingsteps:LaunchtheFinderwindowandclick“Go.”Select“GotoFolder.”Type“~/Library/Caches”inthetextboxandpressEnter.Aseriesoffolderswillappearonyourscreen.Youneedtoclickintoeachfolderanddeletethefilesthere.Pleasedonotdeletethefolderitself,asitcouldcauseerrorsinyourapps.Oncethesefilesareclearedout,thefileshouldexpand.Iftherearetoomanyfolderstoclearoutmanually,youshouldinvestinaprogramthatwillclearthesefilesautomatically. Manyoftheseprogramscanallbesettoclearthecacheroutinely,whichcanhelpavoidfutureerrors.UnabletoExpandZipFileonaMac–PermissionDeniedIfyoureceivedanerrormessagethatsaid“PermissionDenied”whentryingtoexpandafile,youlikelydon’thaveaccesstothatfile.Theoriginaluserwhocompressedthefilewillneedtogiveyoupermissiontounzipthefile.Ifyouknowyouhavepermissiontoopenthezipfile,trymovingittoanotherfolder.Expandingafolderinaserverfoldermaycausethiserrorifyouonlyhaveaccesstoreadthefolder.MovethecompressionfiletoyourDesktop,whereyouwillhaveaccesstoreadandwritefilesstoredthere.Thisshouldfixtheissue.ExpandingAllYourZipFilesWhileusingazipfileisoneofthebestwaystocompresslargefiles,theyhaveareputationforproducingerrorsonMacs.Whetherduetofaultydownloadsorinterruptedcompressions,dealingwithanerrorwhentryingtoaccessyourfilescanbefrustrating.Whentheexpansiondoeswork,it’ssuchastraightforwardprocessthatmanystillpreferitoverotheroptions.HaveyoueverreceivedanerrorcodewhentryingtoexpandazipfileonyourMac?Whicherrorwasit,andhowdidyouresolveit?Letusknowallaboutyourexperienceinthecommentsbelow. 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