onedrive-logoSince Microsoft merged the OneDrive (personal) and OneDrive for Business clients into the current OneDrive NGSC (Next Generation Sync Client) in 2016, the maximum files size limit has changed from 2GB to now 10GB.

If you want to know which file names, characters or locations are not allowed to sync with OneDrive, see THIS short article.

Sync featuresOLD OneDriveCurrent OneDrive
– Max file Size
– Selective syncnoyes
– Max file limit
20 00030 Mi (150 000 per folder)
– IT Control
very limitedmore control

If you want to know how to source the OneDrive ADMX templates for your organization, see our short article Where Is the ADMX Template for OneDrive?


isengdoang · December 3, 2019 at 3:00 pm

You didnt show what characters were or werent allowed…thanks.

    Ian Matthews · January 6, 2020 at 11:08 pm

    Hi Ho; As of January 2020, these names and extentions are not allowed for files or folders: .lock, CON, PRN, AUX, NUL, COM0 – COM9, LPT0 – LPT9, _vti_, desktop.ini, any filename starting with ~$.

SOLVED: What Names are Invalid For OneDrive? - Up & Running Technologies, Tech How To's · October 4, 2018 at 10:11 am

[…] you are deploying OneDrive you need to know the file size and number limitations AND the what file names Microsoft OneDrive will not […]

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