The Walker application packages in particular supported the purchase order and accounts payable functionalities, as well as general ledger,[1] and were mainly sold for the IBM mainframe market.

One such instance was IOSYS, a file system that was touted as being superior to IBM's ISAM and VSAM access methods.

[12] Walker's TMS was part of the system as well and could allow end users to specify online aspects of the product's configuration and processing.

[1] By 1985 sales were falling rapidly, expense levels were such that the company was on the edge of bankruptcy, and no more venture capital was forthcoming.

[10] But no sale could be found; even Computer Associates, which specialized in buying companies in the mainframe software industry, was not interested.

[19] The advent of client–server computing posed a challenge for the company, however, as the technological shift threatened to erode Walker's mainframe-based revenue stream.

[19][20] Walker had an internal development initiative to support the client–server model,[19] but it was abandoned during 1994 and instead the company used technology from Financial Solutions Ltd, a firm that was acquired that same year.

[20] In 2001, Walker Interactive was delisted from NASDAQ for failing to meet minimum requirements for net tangible assets.

[24] The action was part of a wave of consolidation in the enterprise resource planning space, with SSA typically acquiring companies that were in financial distress.