Batch-Convert an Entire Folder of Legacy Files at Once
Point at a folder tree, pick a format, and convert thousands of files in one pass.
TL;DR
LegacyFileConverter can point at an entire folder tree of mixed legacy files — documents, spreadsheets, and images together — and convert them in one pass, locally, with your folder structure preserved.
If you have inherited a drive full of old files, opening and "Save As"-ing each one is a non-starter. The whole point of a converter is to do the boring part for you — across thousands of files, in every legacy format, at once.
Why convert locally instead of online
- Privacy: business and personal files should not be uploaded to unknown servers.
- Speed: pushing hundreds of files through a browser is slow and times out.
- Organization: web tools dump everything into one ZIP and flatten your folders.
Three steps to a converted archive
Point at your top folder
Select the root of your archive and the app finds every supported file in the subfolders automatically — even mixed types.
Choose how output is handled
Keep new files alongside the originals, replace the originals, or export to a new folder that mirrors your structure.
Convert
A progress bar tracks the run as each file is converted in a fraction of a second on your PC.
Smart bucketing
Old spreadsheets go to XLSX, old documents to DOCX, images to JPG/PNG — automatically. Or send everything to a universal PDF in one run.
Summary
Modernizing an archive should take minutes, not weeks. Batch conversion keeps your data private, your folders intact, and your weekend free.
Related reading
Ready to open your old files?
Download the free trial and convert your first files today — fully offline, no original software required.
Free trial
Full app features · up to 25 files
Windows 10 or 11
Same free trial whether you use the Microsoft Store or the offline MSI — pick the option that fits your PC or IT policy.
| Microsoft Store InstallerRecommended | Local InstallerDirect download |
|---|---|
Microsoft StoreComing Soon | Download MSI Same trial as Store |