Q1 total revenues, ARR, adjusted EBITDA, margin, adjusted EPS are all above street expectations. Q1 cloud revenue was $485 million, up 6% year over year, which is well on track towards our F2026 outlook range of 3%-4% growth. This puts us in a good position towards achieving our F2026 outlook range of 12%-16%. For Q1, you can see that content being our largest business continues to lead our growth in cloud.
We saw strength in retail, automotive, and manufacturing verticals, which also contributed to our business network positive growth in Q1. We are pleased with our enterprise cybersecurity business growth this quarter and mainly driven by a few sizable wins. We are very excited to see how our customers unlock the power of their own data using OpenText's products to foster innovation and spur growth. As we look ahead to the rest of the fiscal year, we are not changing our fiscal 2026 annual outlook.
With that said, we expect Q2 total revenue to be between $1.275 billion and $1.295 billion and the adjusted EBITDA margin to be between 35.5% and 36%. For the second half of fiscal 2026, we expect revenue to skew higher towards a strong Q4. We continue to expect ARR to return to growth in fiscal 2026, with cloud growth outpacing maintenance declines, while customer support revenue is on track to meet our fiscal 2026 annual outlook. We have always given our customers the choice of where they want to deploy and note that the on-premise deployment is still being sought after in heavily regulated industries and governments.
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