Where the gigabytes actually sit
Adobe's disk footprint is five or six separate hoards, not one folder. The biggest is usually old app versions: updating Photoshop or Premiere through the Creative Cloud app can leave the previous major release installed in Program Files alongside the new one, and each of those folders runs several gigabytes. Second place goes to the Premiere and After Effects media cache under AppData\Roaming\Adobe\Common — peaking in the tens of gigabytes on editing machines. Camera Raw's cache and Lightroom previews each add their own pile inside your user profile.
None of this is mysterious once you look. The Creative Cloud app shows installed versions honestly, the media cache location is a setting in Premiere's preferences, and every log and installer crumb lives in plain sight in AppData. What matters is knowing which pile is junk and which is work — that distinction is the entire game.
- Old app versions — check Program Files\Adobe for two major releases of the same app; uninstall the old one from the Creative Cloud app
- Media cache — AppData\Roaming\Adobe\Common\Media Cache Files; safe to delete, Premiere rebuilds it, and Preferences let you relocate it
- Camera Raw cache — %LOCALAPPDATA%\Adobe\CameraRaw; it has a size cap in its preferences, so set the cap instead of chasing the folder
- Service logs — Adobe Desktop Service, CoreSync and CCXProcess logs under AppData, in both Roaming and Local
- Lightroom previews — the .lrdata folders sitting next to your catalog; derived data, regenerated on demand
- The Creative Cloud Files folder — NOT junk: these are your synced documents, treat them as documents
What is safe to delete and what is not
Media caches, logs, previews and old versions are all regenerable — delete them with a clear conscience. The two categories that must never be swept are the Creative Cloud Files folder (synced copies of your actual documents) and everything belonging to Lightroom's catalog, the .lrcat family. A purge that eats a .lrcat file or a synced project is not cleanup, it is data loss with extra steps.
For old versions, do not delete the Program Files folders by hand — use the Creative Cloud app's uninstaller so licensing and plugins stay consistent. For caches, prefer the in-app buttons where they exist: Premiere's media cache settings even show you the folder size before you empty it. And whatever you delete by hand, delete with the apps closed — running services will happily recreate files mid-purge.
Keeping Adobe from growing back
Make three settings changes and the problem stops recurring. When the Creative Cloud app offers a major update, leave "Remove older versions" checked. Point Premiere's media cache at a drive you actually watch, and cap Camera Raw's cache in its preferences. Then sweep AppData\Adobe once or twice a year — the logs and installer crumbs will return, but they grow in megabytes, not gigabytes.
This is exactly the kind of scattered, app-specific footprint that generic cleaners handle badly, and where a tool that knows Adobe's leftover map pays for itself: Kleaner PRO lists Creative Cloud's caches and leftovers by category, so the yearly sweep becomes a review job instead of an archaeology dig.
Questions and Answers
Is it safe to delete Adobe Media Cache files?
Yes — they are index and preview data that Premiere and After Effects rebuild automatically; delete them from the media cache preferences or the folder itself.
How do I remove old versions of Adobe apps?
Open the Creative Cloud desktop app, go to Apps, find the older major version and click Uninstall — never delete the Program Files\Adobe folder by hand.
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