WISO steuer:Mac 2020
WISO steuer:Mac 2020 is a German income tax software for macOS designed to help individuals and small business owners in Germany prepare and file their annual tax returns. It guides users through income, expenses, deductions and special situations relevant to the German tax system, generates the necessary forms (Steuererklärung), and can submit returns electronically to the German tax authorities (ELSTER). The app is part of the WISO tax software line from Buhl Data, a long-established German tax software vendor.
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1 suggestionWISO steuer:Mac 2020 is a version-specific tax software product tied to the 2020 tax year. Like most German tax software, Buhl Data typically releases annual editions rather than perpetual updates—version 2020 is now six years old. The product likely receives no further updates and has almost certainly been superseded by newer annual releases (2021, 2022, 2023, 2024, and 2025 editions). We could not confirm whether a native Apple Silicon build of this specific 2020 edition exists. Given that you are now in May 2026, if you still need to file 2020 taxes the relevant tax years have long passed; if you are using this for current tax purposes, you should upgrade to the current year's edition of WISO steuer:Mac (typically released in summer of each year), which is far more likely to include native Apple Silicon support and critical tax law updates. Contact Buhl Data directly or visit their German site (steuer.buhl.de) to identify the latest version and check its macOS compatibility. If you need to keep using an older build before upgrading, note that any Intel-only version will stop launching entirely when Apple removes Rosetta 2 in macOS 28 (September 2028).
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