Hello, I have a large number of fonts that appear as rectangular blocks in fontbase and was hoping for some help as to why and what I might be able to do about it?
I’m running…
Windows 11 Pro Version: 24H2
FontBase 2.20.7
When I installed the fonts and open Fontbase, they just appear as rectangular blocks with X’s in them in the display.
Any help would be appreciated. Thanks!
Hello Wendell, thank you for your post and welcome to the forum 
The first step that could help would be updating FontBase to its currently newest version (2.23.0). Also, the rectangular blocks might indicate that the specific fonts are missing the glyphs you’re trying to view in the preview text. In addition, removing these fonts from FontBase and re-adding them could help as well.
Thank you again,
Thank you! I’m working on these now. It seems to be working for many of them. I also had my Fontbase program on auto update so I didn’t realize that I had to manually download and install the newer version. I’d forgotten to check what version it was. Thanks for the help!
Thank you for the quick reply Wendell, glad to hear there is at least partial progress
Normally you wouldn’t have to download anything manually as the auto-update is currently working as it should. Unfortunately, around v2.20.7 there was a bug in the auto-update process (long fixed). The fix required a manual update to take effect. Sorry for the inconvenience 
Thank you again,
Hi, I have the same problem, many fonts display only as crossed out squares.
These fonts mostly appear to be hobby projects from non-professional creators, not from “serious” font houses. Therefore it’s quite possible that there are small errors in the file format.
But the fonts display OK in other font managers, e.g. Corel. And I can activate them in Fontbase, and they work as expected.
Therefore I hope that it would be possible to view these fonts in Fontbase too, regardless of possible file format errors? Perhaps with a warning?
Hello @svesjo, thank you for your post and welcome to the forum
Is it possible that the font glyphs/symbols you’re trying to preview are not present in the aforementioned fonts? That’s one of the reasons this could happen.
Thank you again,
Yes and no. Yes, I have some fonts that don’t have many glyphs, and therefore don’t show in the preview.
But there are also many fonts which have all or most of the usual ASCII glyphs (ABC…, abc…) but only show as squares/crosses.
They work in other font managers and other apps.
Hello @svesjo, thank you for your reply
Have the suggestions mentioned above make any difference?
Thank you again,