In archival terms, “quality” is multi-dimensional:
A “low quality” archive might be a random dump of 200 XAPs from a sketchy forum, riddled with corrupted files and renamed executables. “Extra quality” means curated, verified, and documented. windows phone xap archive extra quality
XDA is the unofficial home. Look for threads titled “Windows Phone XAP Archive [Update 202X].” The best ones include: In archival terms, “quality” is multi-dimensional:
Some large apps used .xap, .xap2, .xap3 – these are simple split archives. Concatenate first: A “low quality” archive might be a random
cat app.xap* > app_full.xap
Then extract normally.