The Issue Key column displays the issue key for issues. For other types of items it remains empty.
![](/documentation/structure/files/9.0/data-center-and-server/32223319/62759127/1/1551461579000/Issue+Key+Column.png)
Compact View
If the project key is large, the issue key column may get too wide. You can configure the Issue Key column to replace the project key with a small avatar icon of the project.
To enable compact view for the Issue Key column, open the column options and select Compact View.