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DocTo is a lightweight, command-line document converter developed by Toby Allen that enables rapid batch transformation of legacy Microsoft Word (.doc) and Excel (.xls) files into any output format supported by the installed version of Microsoft Office. Designed for IT administrators, data archivists, and workflow engineers who need unattended, scriptable conversion, the utility accepts a single executable call that specifies source path, destination folder, and target format—such as DOCX, PDF, RTF, or TXT—then processes entire directory trees without user interaction. Because DocTo relies on the locally installed Office COM interfaces, it preserves embedded charts, macros, and formatting more faithfully than cloud-based alternatives while remaining independent of internet connectivity. Typical use cases include migrating decades-old document repositories to modern open standards, generating nightly PDF reports from Excel dashboards, and normalizing mixed-format litigation evidence into a uniform file type for e-discovery platforms. The program is distributed as a portable EXE and integrates seamlessly with PowerShell, Task Scheduler, or any CI/CD pipeline that can launch a console process; exit codes and stdout messages facilitate logging and error trapping. Version 1.16, the fourth public release, tightens memory usage on large spreadsheets and adds explicit support for Office 2019 64-bit environments; earlier iterations remain accessible for legacy 32-bit Office deployments. DocTo is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.
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