Mac user Re­views

Macworld (USA) - - Contents - BY J.R. BOOKWALTER

As you’ve prob­a­bly heard, Ap­ple is fi­nally elim­i­nat­ing sup­port for 32-bit Mac ap­pli­ca­tions this fall ( go. mac­ That means older soft­ware which hasn’t moved to 64-bit code won’t work on the lat­est macos Catalina and al­though Cu­per­tino has pro­vided guid­ance on the im­pend­ing “app-oca­lypse,” iden­ti­fy­ing and tak­ing ac­tion on af­fected apps is a has­sle.

A free (do­na­tions ac­cepted) Mac util­ity called Go64 ( go.mac­ aims to ease the 64-bit tran­si­tion by per­form­ing a quick scan of your ap­pli­ca­tions and

creat­ing an in­ven­tory of those where

32-bit code is still present. It’s fast and pain­less—go64 took less than 45 sec­onds to scan 1,586 apps (?!) on my imac Retina 5K startup disk.


Of those, about 150 apps were 32-bit only, many sup­port apps from older Adobe Cre­ative Suite in­stal­la­tions. The re­main­ing 45 were tech­ni­cally 64-bit, with mi­nor de­pen­den­cies on older 32-bit code. Such apps ap­pear with a yel­low warn­ing in the 64-bit col­umn and should work fine un­der Catalina. (That in­cludes Ap­ple’s Fi­nal Cut Pro X and Com­pres­sor 4, which are ex­pected to be fully com­pat­i­ble by the time Catalina is re­leased.)

Se­lect­ing an app with this warn­ing dis­plays ad­di­tional in­for­ma­tion at the

bottom, while click­ing More Info shows a com­plete list of out­dated com­po­nents. In the case of an oth­er­wise 64-bit Pro Tools 12, the Avid­video­ frame­works are still 32-bit code; the older Pro Tools 10 is en­tirely 32-bit, and there­fore in­com­pat­i­ble.


Find­ing 32-bit apps is only half the battle— Go64 is de­signed to also help up­grade or purge older soft­ware. Al­though not an au­to­mated process, most soft­ware iden­ti­fied by Go64 in­cludes a com­pany name and web­site, avail­able in the tool­bar.

Af­ter re­search­ing po­ten­tial up­grades from the de­vel­oper, costs can be man­u­ally logged for fu­ture ref­er­ence; it’s also pos­si­ble to save re­ports, but there’s no way to print or ex­port as PDF. For many un­wanted or aban­doned apps, a click of the Move To Trash but­ton purges them from your hard drive; oth­ers have to be man­u­ally deleted.

Thanks to Go64, we’ve got­ten a jump on cleanup ahead of Catalina. Aside from a splash screen when quit­ting the app (which can be turned off af­ter the first time) pro­mot­ing other St. Clair Soft­ware util­i­ties like the ex­cel­lent De­fault Folder X, there are no in­tru­sive ads or per­sonal data re­quests.


Go64 is a fast, free way to get a com­pre­hen­sive look at your 64-bit app com­pat­i­bil­ity and avoid sur­prises be­fore in­stalling macos Catalina. ■

Go64 pro­vides a more de­tailed look at which apps need to be up­dated or deleted be­fore in­stalling macos Catalina.

Many 64-bit apps in­clude legacy 32bit code, so Go64 dis­plays a warn­ing so there are no sur­prises.

De­spite be­ing oth­er­wise 64-bit, apps like Pro Tools 12 still rely on older 32-bit frame­works which could be an is­sue when mov­ing to macos Catalina.

Go64 lets you log up­grade costs for fu­ture ref­er­ence.

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