NETFILE certified software: problems and fixes by product
NETFILE certified software explained: the 17 products the CRA certified for 2025 returns, why certification matters, and fixes for Wealthsimple Tax and UFile.
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Read the full guide: NETFILE Certified Software: Fixing Canadian Tax Apps
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NETFILE certified software: problems and fixes by product
NETFILE certified software is tax software the Canada Revenue Agency (CRA) has approved to send T1 returns over the internet.
Certified products for 2025 returns: 17 (CRA list).
NETFILE service window, 2026 season: February 23, 2026 to January 29, 2027.
Tax years NETFILE accepts in 2026: 2018 to 2025.
Certification is tied to a specific tax year and a specific version.
This site covers the certified products Canadians search for most. The table and the product notes below point to the page that deals with each symptom.
No developer can NETFILE 2026 returns until the CRA opens NETFILE for the 2027 season, and as of September 2026 the CRA has not announced that date.
