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My file won’t save to OneDrive for Business, what can I do?

Published: 1 July 2021 Last updated: 17 November 2021

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My file won’t save to OneDrive. What can I do?

Please check you have named your file correctly, OneDrive for Business has certain file naming limitations that are shown below.

What does OneDrive for Business say?

When uploading files or folders with issues, OneDrive for Business will inform you what the problem is.

If you are using the desktop sync app, please click on the OneDrive for Business icon on the task bar or notification area. Sync errors will be flagged in red, clicking on the message will reveal more information about the sync issue.

Character limits for files and folders

  • File names can have up to 128 characters
  • Folder names can have up to 256 characters
  • Folder name/file name combinations can have up to 260 characters Folder Names and File Names
  • Do not use: ” & * : < > ? \ / { | } ~
  • Do not use the period character consecutively in the middle of a file name. For example, “”.
  • You cannot start a file name with the period character
  • You cannot use the period character at the end of a file name
  • Many other symbols are not recommended such as $^()-_=+[]`! (Other international currency symbols and international symbols should be avoided in site names, but some are more acceptable in file names. ASCII is preferred wherever possible)

In addition, file names and folder names may not end with:

.files, _files , -Dateien , _fichiers , _bestanden , _file ,_archivos ,-filer,_tiedostot ,_pliki,_soubory ,_elemei , _arquivos ,_dosyalar ,_datoteke ,_fitxers,_failid,_fails ,_bylos,_fajlovi,_fitxategiak

Invalid file types

You cannot upload OneNote files, or files with a *.tmp or *.ds_store extension. Additionally, you cannot upload desktop.ini, thumbs.db, or ehthumbs.db.

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