I can't see Bugzilla Import Wizard.
There are only cases: CSV, FogBugz, Pivotal, Trac, JSON
How can I import issues from my Bugzilla?
i think your instance is on ondemand if yes then check this doc
The following applications are not available for import in Atlassian OnDemand
if your instance us standalone then, check this
Supported Platforms macOS Windows We recently introduced support for additional hosting services such as GitHub Enterprise, GitLab (Cloud, Community Edition, Enterprise Edition), and...
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