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You cannot bypass the policy. ODFB is not designed to be a replacement for file shares or used as a backup solution. You can certainly try to use them as such, but dont expect them to function the same. 
 
That being said, Microsoft is constantly improving on the list of unsupported chars and should also be making some changes around the path length soon.
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What do I do with all of files that can't be upload. 
 
She must be a solution.
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Yes Vasil Michev, 
 
I will rename millions of files. 
 
Why didn't I think about it?
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one could always use powershell to find and fix but it would no longer be a 'backup'
<pre><code class="code-10 nolinks" id="code-20-41866461-1"> function Check-IllegalCharacters ($Path, [switch]$Fix, [switch]$Verbose)
 {
 # http://get-spscripts.com/2011/11/use-powershell-to-check-for-illegal.html
 Write-Host Checking files in $Path, please wait...
 #Get all files and folders under the path specified
 $items = Get-ChildItem -Path $Path -Recurse
 foreach ($item in $items)
 {
 #Check if the item is a file or a folder
 if ($item.PSIsContainer) { $type = &quot;Folder&quot; }
 else { $type = &quot;File&quot; }
 
 #Report item has been found if verbose mode is selected
 if ($Verbose) { Write-Host Found a $type called $item.FullName }
 
 #Check if item name is 128 characters or more in length
 if ($item.Name.Length -gt 127)
 {
 Write-Host $type $item.Name is 128 characters or over and will need to be truncated -ForegroundColor Red
 }
 else
 {
 #Got this from http://powershell.com/cs/blogs/tips/archive/2011/05/20/finding-multiple-regex-matches.aspx
 $illegalChars = '[&amp;{}~#%]'
 filter Matches($illegalChars)
 {
 $item.Name | Select-String -AllMatches $illegalChars |
 Select-Object -ExpandProperty Matches
 Select-Object -ExpandProperty Values
 }
 
 #Replace illegal characters with legal characters where found
 $newFileName = $item.Name
 Matches $illegalChars | ForEach-Object {
 Write-Host $type $item.FullName has the illegal character $_.Value -ForegroundColor Red
 #These characters may be used on the file system but not SharePoint
 if ($_.Value -match &quot;&amp;&quot;) { $newFileName = ($newFileName -replace &quot;&amp;&quot;, &quot;and&quot;) }
 if ($_.Value -match &quot;{&quot;) { $newFileName = ($newFileName -replace &quot;{&quot;, &quot;(&quot;) }
 if ($_.Value -match &quot;}&quot;) { $newFileName = ($newFileName -replace &quot;}&quot;, &quot;)&quot;) }
 if ($_.Value -match &quot;~&quot;) { $newFileName = ($newFileName -replace &quot;~&quot;, &quot;-&quot;) }
 if ($_.Value -match &quot;#&quot;) { $newFileName = ($newFileName -replace &quot;#&quot;, &quot;&quot;) }
 if ($_.Value -match &quot;%&quot;) { $newFileName = ($newFileName -replace &quot;%&quot;, &quot;&quot;) }
 }
 
 #Check for start, end and double periods
 if ($newFileName.StartsWith(&quot;.&quot;)) { Write-Host $type $item.FullName starts with a period -ForegroundColor red }
 while ($newFileName.StartsWith(&quot;.&quot;)) { $newFileName = $newFileName.TrimStart(&quot;.&quot;) }
 if ($newFileName.EndsWith(&quot;.&quot;)) { Write-Host $type $item.FullName ends with a period -ForegroundColor Red }
 while ($newFileName.EndsWith(&quot;.&quot;)) { $newFileName = $newFileName.TrimEnd(&quot;.&quot;) }
 if ($newFileName.Contains(&quot;..&quot;)) { Write-Host $type $item.FullName contains double periods -ForegroundColor red }
 while ($newFileName.Contains(&quot;..&quot;)) { $newFileName = $newFileName.Replace(&quot;..&quot;, &quot;.&quot;) }
 
 #Fix file and folder names if found and the Fix switch is specified
 if (($newFileName -ne $item.Name) -and ($Fix))
 {
 Rename-Item $item.FullName -NewName ($newFileName)
 Write-Host $type $item.Name has been changed to $newFileName -ForegroundColor Blue
 }
 }
 }
 }
</code></pre>
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<div class="content wysiwyg-content">
I have and old backup of files I'm trying to sync to OneDrive, I get all errors on file name contains characters or path too long. 
 
How can I bypass that policy as I have 400gb of files to upload. 
 
of there is a different place for this kind of files on office 365
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I have and old backup of files I'm trying to sync to OneDrive, I get all errors on file name contains characters or path too long.

How can I bypass that policy as I have 400gb of files to upload. 

of there is a different place for this kind of files on office 365

One Drive_Backup

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.