Hi Allen, Just a guess here but do you have iphones with backups set to your computer, rather than backup to icloud?
Google should give you plenty of answers/options depending on how you want to backup your phones. A real quick search threw up this (relatively) recent article which may offer a quick overview: https://www.imore.com/how-move-your-iphone-or-ipad-backups-external-hard-drive There will probably be several relevant Apple Support articles online. HTH Cheers Neil On 08/08/22, 09:39, "WAMUG on behalf of WAMUG via WAMUG" <wamug-boun...@lists.wamug.org.au on behalf of wa...@lists.wamug.org.au> wrote: Hi everyone I have just run WhatSize ap over my Mac hard drive and it shows 3 very large User/Library/Application Support files of 38GB, 54GB and 9GB eg Allen/Library/ Application Support/ 9.07GB MobileSync/ Backup Carolyn has /Application Support/ 53.7GB MobileSync and Andrea has / Application Support/ 38.5GB MobileSync So my questions are what is MobileSync and what will happen if I just delete this files? I should add neither Carolyn or Andrea use the Mac very much. Carolyn also has a 8.04GB iMazing file as well I appreciate any advice or help please as TechTool is telling me I don’t have enough working space on the HD Thank you Allen Gladwell -- The WA Macintosh User Group Mailing List -- Archives - <wamug@wamug.org.au <https://www.mail-archive.com/<a href=>/>">https://www.mail-archive.com/wamug@wamug.org.au/> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> -- The WA Macintosh User Group Mailing List -- Archives - <https://www.mail-archive.com/wamug@wamug.org.au/> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
