OneDrive Golden Rules Size limit for syncing files There's a 10-gigabyte (GB) file size limit for each file that's uploaded to the OneDrive for Business library. Recommended: 1GB or Less. Character for files and folders In SharePoint Online, file name paths can have up to 256 characters. Note In some scenarios, the limit may be less than 256 characters. Especially if you have a very long URL path for the affected library. Invalid characters The following characters in file aren't supported when you sync OneDrive for Business: # (number sign) | (pipe) % (percent) ? (question mark) < (less than) * (asterisk) > (greater than) / (slash) : (colon) \ (backslash) " (double quote) The following file types are not supported by OneDrive for Business: *.tmp *.soap Desktop.ini *.ashx *.svc thumbs.db *.asmx ehthumbs.db *.json *.ds_store The following strings in file names aren't supported when you sync OneDrive for Business: .files .tmp Desktop.ini CON ~$ .tpm .DS_Store PRN ._ thumbs.db Icon AUX .laccdb EhThumbs.db .lock NUL
OneDrive Golden Rules Size limit for syncing files There's a 10-gigabyte (GB) file size limit for each file that's uploaded to the OneDrive for Business library. Recommended: 1GB or Less. Character for files and folders In SharePoint Online, file name paths can have up to 256 characters. Note In some scenarios, the limit may be less than 256 characters. Especially if you have a very long URL path for the affected library. Invalid characters The following characters in file aren't supported when you sync OneDrive for Business: # (number sign) % (percent) < (less than) > (greater than) : (colon) " (double quote) | (pipe) ? (question mark) * (asterisk) / (slash) \ (backslash) The following file types are not supported by OneDrive for Business: *.tmp *.ashx *.asmx *.json *.soap *.svc *.ds_store Desktop.ini thumbs.db ehthumbs.db The following strings in file names aren't supported when you sync OneDrive for Business: .files ~$ ._ .laccdb .tmp .tpm thumbs.db EhThumbs.db Desktop.ini .DS_Store Icon .lock CON PRN AUX NUL