Microsoft Quick Basic 4.0

Microsoft Quick Basic 4.0 is tracked by BlackTree as an end-user software application. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Evidence status

The publisher source confirms this historical product identity. This alone does not verify a support or retirement date.

No product-specific support or retirement date has been verified from a publisher source for this product. A missing date does not mean support continues.

Microsoft lists this historical developer product as Quick Basic 4.0, but a support end date was not verified. Reviewed 13 Sep 2026.

Product overview

Main capabilities

User-facing application functions
Local or managed application deployment
Vendor-maintained feature and security updates

Typical use

Used by individuals or organizations for the product-specific tasks described by its publisher.

Deployment

Installed on supported endpoints or supplied through a vendor-managed service, depending on the edition.

Lifecycle records

No verified lifecycle boundary is currently published for this product family.

Official sources

MANUAL

Windows 2.0 official lifecycle source

Publisher reference registered; not automatically interpreted. A source link alone does not verify a lifecycle boundary.

Open publisher source

Package vulnerability advisories

No OSV advisories are currently linked to this product identity. This is not evidence that the product has no vulnerabilities.