What you can do to resolve situations like these is to reinstall fonts back to default settings using Mac’s Font Book utility: In addition, if you’re a font aficionado, it’s easy for your font library to grow uncontrollably and take up lots of space on your hard drive. More frequently than not, it’s actually third-party typefaces that can interfere with how various apps display text. Not every font bug leads to your macOS system fonts being completely broken.
#How to backup font book mac how to
You can read the text once again! How to change default font on Mac Now your default macOS system fonts should be properly displayed and the font database should be rebuilt.
![how to backup font book mac how to backup font book mac](http://retroxaser.weebly.com/uploads/1/3/3/6/133698965/406012218_orig.jpg)
Once you are sure the font is installed and backed up, delete the actual file on your computer to save some space.You obviously don’t have to back up fonts like Arial and standard ones that come installed already. Go through each font until you make sure a copy of each is in your backup file.Drag the file over to your back up location.Select “Show in Finder.” This will locate the actual font file for you. Start with the first font and right click.This way you’ll be able to ensure you have every single font backed up. Half of it should be Font Book (or whatever it is on a PC) and the other half of your screen should show your back up file. This took a bit of time to do since I have a ton of fonts, but it’s worth it. Personally, I use Google Drive, but you can keep a backup on Dropbox, an external hard drive, or something similar… just a place that isn’t your actual computer. This tip is more of a sanity saver in the event you lose a font, your computer displays the blue screen of death, or you purchase a new computer and need to reinstall.