# Not capitalizing letters **URL:** https://community.mp3tag.de/t/not-capitalizing-letters/44068 **Category:** Support **Created:** [January 1, 2019, 12:38pm UTC](https://community.mp3tag.de/t/not-capitalizing-letters/44068 "2019-01-01T12:38:56Z") **Posts on this page:** 1 **Showing post:** 4
### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino) #### Post date: [January 1, 2019, 7:13pm UTC](https://community.mp3tag.de/t/not-capitalizing-letters/44068/4 "2019-01-01T19:13:53Z")
Perhaps one of these threads helps: > [@Trouble Changing Filename To Uppercase In Mac](https://community.mp3tag.de/t/trouble-changing-filename-to-uppercase-in-mac/13090): > > I'm using mac os x 10.7.3 and mp3tag v2.48 through wineskin i'm having trouble using the action CASE = uppercase. when I change a single or group of filenames to uppercase i get an error that says I can't do it because the files already exists. the only thing i'm changing is the case. when i do it manually it doesn't give me any trouble. any suggestions [image] > [@Mp3tag on Mac OSX](https://community.mp3tag.de/t/mp3tag-on-mac-osx/4557/3): > > Checkboxes under Action Groups don't work. Also Case Conversion in renaming files doesn't work well, but I think that is MacOS limitation, so I take few steps. First is to to apply custom Case Conversion, which changes case to all fields except filename. In second step I rename files in format that I don't use, for example %artist% - %title%, then in third I rename to format that I use. If the filenames aren't in format that I use (that's $num(%track%,2) - %title%) then second step isn't necess… > [@file name & title name fields](https://community.mp3tag.de/t/file-name-title-name-fields/12165/8): > > The method I have used in the past versions of mp3 tag were to go right to the filename column, double click on individual tracks so they are highlighted with a cursor & edited the songs to have caps for the 1st letter of each word. I would also do this same thing, & double click on the title filed column & make the 1st letter of each word a cap. This had worked in earlier versions of mp3 tag on a PC, now I am using this version on a mac running windows xp pro through parallels desktop. I have… and many more - use the search word "mac case filename" --- _[View the full topic](https://community.mp3tag.de/t/not-capitalizing-letters/44068)._