File Types Ignored or Blocked by Box Sync and Box Drive

Both Box Sync and Box Drive will not sync files that the program ignores or blocks. Ignored files include invisible in Windows Explorer or Finder, such as temporary or system files. Blocked files include file types that Box Sync or Box Drive does not recognize.

 

Box Sync still requires read permissions on these files in order to determine if the file should be blocked or ignored during the scanning process.

 

Box Sync and Box Drive ignore the following file types and shortcuts:

  • Temporary files and folders (.tmp and files starting with the ~ character)
  • Backup copies of files (.bak)
  • System and hidden files (hidden folders are synced but hidden files are not synced: such as ._dstore, desktop.ini, thumbs.db).
    • File names that start with a dot "." are considered hidden files.
  • Shortcuts created via Windows Explorer or Finder
  • Hard links (a file that has multiple directory entries associated with it will not be synced)
  • Symbolic links
  • File names that are exactly 8 uppercase hexadecimal digits (0,1,2,3,4,5,6,7,8,9,A,B,C,D,E, or F) with no extension – for example: 1234AD38 or ABE32BD0.
  • File names containing special characters
  • Web based documents (such as .gdoc, .gsheet, and bookmarks) will not sync to the Box Sync folder, excepting Box Notes which will be synced to the Box Sync folder, and will open in your browser.
  • .qbi files

Box Sync and Box Drive block the following file types:

  • .pst
  • .qbw
  • .nd
  • .qbw.tlg
  • .tlg
  • .des
  • .qba
  • .qba.tlg
  • .qbr
  • .qby
  • .qdt

These file types can be uploaded and stored in Box via the Box web site, but Box Sync will not recognize them. They will not be synced even if they are in a synced folder.

 

Note:

Box Sync will sync folder names ending in a dot ("."), but users on Windows computers will not be able to access the folder. Users will see an error dialog "Location is not available". Please remove the dot "." from the end of the folder name, or Windows users will be required to access the folder only from the Box web site.

 

Box Sync and Microsoft Access database files (.accdb and .mdb):

Due to the saving behavior of Microsoft Access, it's extremely likely that Box Sync will create duplicate copies of .accdb and .mdb files. Even one user working on a file can cause conflict copies due to how frequently Access makes changes to the database file.

 

We recommend pausing Sync prior to working in any .accdb or .mdb file. Then you can un-pause Sync when you are ready to upload the lateset version. Alternatively, you can copy the file out of the Box Sync folder to work on it. Then after saving, copy the file back into the Box Sync folder so it can sync the last version up to Box.

 

Box Sync and Microsoft OneNote Notebooks:

Microsoft does not recommend using synchronization programs like Box Sync with OneNote notebooks:

 

"In general, OneNote notebooks should always be synced and moved by the OneNote application, and not by file based synchronization systems such as a client application"

Please see https://support.microsoft.com/en-us/kb/2819334 for more information on OneNote syncing best practices.

Mac Package Files

Box Sync supports Mac package files. For more information, please see https://community.box.com/t5/Box-Sync-Troubleshooting/Box-Sync-4-0-Mac-Package-Support/ta-p/118. 

 

Box Drive does not support Mac package files. You will see an error from Finder if you attempt to copy a package file into Box Drive. Package files uploaded by Box Sync will appear as problem items in Box Drive

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