is there a max filesize for uploading to onedrive?

This commodity contains data about the restrictions and limitations that apply to files, file names and file types when syncing with OneDrive for dwelling, OneDrive for work or schoolhouse or SharePoint in Microsoft 365.

Note:If you're looking for restrictions and limitations that employ to the earlier version of OneDrive (groove.exe), read KB 2933738.

What'due south new

12 Apr 2021: Added 50,000 item sharing limits note.

3 March 2021: Maximum file upload size updated to 250 GB.

16 September 2020: Updated info about OneNote notebooks to analyze that the 2GB file size limit applies to SharePoint as well equally OneDrive.

31 August 2020: Updated the invalid or blocked file types guidance about .PST files when Known Folder Movement is turned on.

28 July 2020: Added note to invalid characters nearly saving Role files with folder names containing ;

26 June 2020: Added mention of leading and abaft spaces as invalid characters, although this isn't a new limitation.

In this commodity

Restrictions	Limitations	Troubleshooting tips
Invalid characters	File upload and download sizes	OneDrive system requirements
Invalid file or binder names	File name and path lengths	Support and Recovery Banana
Invalid or blocked file types	Thumbnails and previews	Simply sync what yous need
Network or mapped drives	Number of items to sync or copy	Syncing too many files
Elevated privileges	Information Rights Management	Duplicate filenames
Sharing	Differential sync
How many OneDrive accounts	Libraries with specific columns
Authenticated proxies	Windows specific limitations
OneNote notebooks	macOS specific limitations

Restrictions

Invalid characters

Applies to:

Certain characters have special meanings when used in file names in OneDrive, SharePoint, Windows and macOS, such equally "*" for wildcards, and "\" in file name paths. If a file or folder you're trying to upload to OneDrive contains any of the characters listed beneath, information technology may prevent files and folders from syncing. Rename the file or folder to remove these characters before you upload information technology.

Characters that aren't allowed in file and folder names in OneDrive for habitation, OneDrive for work or school and SharePoint in Microsoft 365

Characters that aren't allowed in file and folder names in OneDrive for work or school on SharePoint Server 2013

" * : < > ? / \ |

(Leading and trailing spaces in file or folder names besides aren't immune.)

~ " # % & * : < > ? / \ { | }.

(Leading and trailing spaces in file or binder names also aren't allowed.)

Notes:

To rename a file or folder in Windows, select it and printing F2. To rename a file or folder on a Mac, select information technology and press the 'return' primal.
Some organizations don't yet support # and % in names. If you're a global admin or SharePoint admin in Microsoft 365, see Enabling # and % Support on the SharePoint web log to learn how to let these characters.
For Office desktop win32 apps: If you're saving an Part file via the Backstage view to a OneDrive or SharePoint folder, you won't be able to save the file if the folder proper name contains ; (semicolon).
If you're using Office 2010, y'all tin't utilise "&" in file and folder names.
For more information, see When OneDrive renames items with invalid characters and Why has my filename changed from comma to ^J.

Invalid file or folder names

Applies to:

These names aren't allowed for files or folders: .lock, CON, PRN, AUX, NUL, COM0 - COM9, LPT0 - LPT9, _vti_, desktop.ini, any filename starting with ~$.

Notes:

"_vti_" cannot appear anywhere in a file proper noun
"forms" isn't supported when the folder is at the root level for a library.
Yous tin can't create a folder name in SharePoint that begins with a tilde (~).

Invalid or blocked file types

Applies to:

Temporary TMP files will non be synced to OneDrive. See OneDrive condition stuck on "Sync pending" for more details.

Files that are used by your local computer, such equally desktop.ini on Windows or .ds_store on macOS, don't usually sync. If these files exercise get uploaded to OneDrive during a migration, the sync app will delete the deject copy and leave the local re-create.

Outlook .PST files are supported, however they are synced less oft compared to other file types to reduce network traffic. To foreclose uploading .PST files from the OneDrive sync app, read Blocking syncing of specific file types. To move .PST files out of OneDrive, read How to remove an Outlook PST data file from OneDrive. If users enable PC folder backup (Known Folder Move) manually without the group policy, they will see an error if they have a .PST file in one of their known folders (e.g. Documents). If Known Binder Motion is enabled and configured via grouping policy, .PST files will exist migrated.

Outlook may prove errors afterwards .PST files are migrated because it is still looking for .PST files at original location.

If y'all are a OneDrive for work or school user, some file types may be blocked on your organization's SharePoint site. The listing of blocked files will vary depending on your ambassador.

For security reasons, a number of file names and extensions tin can't be uploaded since they are executable, used by SharePoint Server, or used by Windows itself. For more info, come across Types of files that cannot exist added to a listing or library.

Network or mapped drives

Applies to:

You can't add together a network or mapped drive as your OneDrive sync location. OneDrive doesn't support syncing using symbolic links or junction points.

Elevated privileges

Applies to:

OneDrive tin't be run with elevated privileges, and you will not be able to run across OneDrive menu items within File Explorer. However, the per-machine sync app installation is helpful peculiarly for multi-user computers and when you don't desire exe files running from the user profile. See likewise Unable to share OneDrive files.

How many OneDrive accounts?

Applies to:

Number of OneDrive accounts

There are limits to the number of accounts that tin can be concurrently signed in and syncing. Each device is immune a maximum of one OneDrive for dwelling house business relationship and nine OneDrive for work or schoolhouse accounts. For MacOS devices, only a unmarried business account from the same arrangement can be in sync at any given fourth dimension.

OneDrive Invitee accounts

Synchronizing content using an external or guest user is currently not supported by OneDrive.

Authenticated proxies

Applies to:

Authenticated proxies aren't supported in OneDrive.

If you lot see the error message "Your proxy settings require authentication" or the error lawmaking 0x8004de42 when trying to sign in to OneDrive, please check you are non using an authenticated proxy to connect to OneDrive.

OneNote notebooks

Applies to:

OneNote notebooks have their own sync mechanism outside of OneDrive. If you plan on sharing a OneNote notebook—with yourself or others—it's best to create it on OneDrive correct from the start. Moving an existing OneNote notebook into a folder synced by OneDrive without going through the OneNote application is non currently supported.

Once a OneNote notebook is saved in OneDrive, if you are syncing the folder that contains the notebook, yous will find a stub .url file, which will open up the notebook on the website.

OneNote notebooks saved in OneDrive or SharePoint are limited to 2GB.

Read how to Move a OneNote notebook to OneDrive.

Limitations

File upload and download sizes

Applies to:

Maximum	Upload	Download
Sync	250GB	250GB
Individual files	250GB	250GB
Files inside a nix	20GB	20GB

Note:These limits applies tofiles, not your total storage. For any file larger than a few GB, we recommend using the OneDrive sync app rather than the website upload feature.

File name and path lengths

Applies to:

Unlike apps and Office versions have different limits, and the combination of limitations may be unique to your setup.

The entire decoded file path, including the file name, tin't contain more than than 400 characters for OneDrive, OneDrive for work or school and SharePoint in Microsoft 365. The limit applies to the combination of the folder path and file proper noun after decoding.

For example, if the file URL in SharePoint is https://world wide web.contoso.com/sites/marketing/documents/Shared%20Documents/Promotion/Some%20File.xlsx, the limit applies to "sites/marketing/documents/Shared Documents/Promotion/Some File.xlsx."
Besides, if the file URL in OneDrive is https://contoso-my.sharepoint.com/personal/meganb_contoso%20_com/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Fmeganb%5Fcontoso%5Fcom%2FDocuments%2FContracts%2FVendor%20Quotations/Some%20File.xlsx , the limit applies to "personal/meganb_contoso_com/Documents/Contracts/Vendor Quotations/Some File.xlsx."

In addition to the above, if files are synced to a PC or Mac, the following limitations apply:

Each segment of the path (a segment is a file proper name or folder proper noun like "Promotion" or "Some File.xlsx" in the examples above) can't exist more than 255 characters due to operating arrangement limitations.
The length of the OneDrive root folder (east.chiliad. C:\users\meganb\OneDrive - Contoso) + the relative path of the file (up to 400 chars) cannot exist more than 520 characters.
- The system proper name tin can be updated in the M365 admin heart just that volition non propagate to existing Sync relationships (only newly established ones). For existing Sync relationships to have the new arrangement name, users need to unlink and relink their account.

SharePoint Server versions only support up to 260 characters for file and path lengths, Microsoft Excel and older Part version take a lower limit, run into KB 326039 for details.

If you exceed whatever limits, you'll receive an fault message.

Thumbnails and previews

Applies to:

Thumbnails are non generated for images larger than 100 MB.

PDF previews are not generated for files larger than 100 MB.

Number of items that tin can be synced or copied

Applies to:

When using onedrive.com, you can just copy up to 2500 files at one time.

Applies to:

Although SharePoint can shop 30 one thousand thousand documents per library, for optimum operation we recommend syncing no more than 300,000 files across all document libraries. Functioning problems can occur if you have 300,000 items or more across all libraries that you are syncing, fifty-fifty if you are not syncing all items inside those libraries.

Notes:

If you are uploading, downloading, or moving a large number of files at once, yous may need to wait an extended menses of fourth dimension before the sync process can complete. The desktop app showing "syncing" icon or displaying "processing changes" during this flow is not necessarily an indication of a problem. You can e'er click the OneDrive taskbar icon to see the status of content that is in the process of syncing. To help reduce sync times, nosotros recommend reviewing and mayhap modifying your bandwidth settings earlier starting your upload or download. You lot tin also read how to Cull which OneDrive folders to sync to your computer.
There are other SharePoint limits on viewing a document library using the web that may bear upon how you lot structure your files in OneDrive.

Libraries with Information Rights Management enabled

Applies to:

Libraries can be synchronized equally read/write with sync app for Windows build 17.iii.7294.0108 or after, or OneDrive for Mac build18.151.0729.0014 or higher.

Differential sync

Applies to:

Differential sync is possible for Microsoft Part files in the new file format, .docx, .pptx, .xlsx.

This is function Office integration and requires that you take:

Office 2022 Click To Run (version xvi.0.6741.2027 or higher). Yous must also have OneDrive (version 17.3.6386.0412 or higher).
Office 2022 MSI and accept the following update installed: October 4, 2016, update for Function 2022 (KB3118262). You must also have OneDrive (version 17.iii.6386.0412 or higher).
The "Use Office applications to sync Office files" setting turned on in the Role tab of OneDrive settings (PC) or OneDrive Preferences (Mac).

For other file types, differential sync is bachelor globally.

Note: OneNote files are not included, meet below.

Libraries with specific columns or metadata

Applies to:

If you have libraries with Checkout, or Validation columns, or when Draft Item Security is fix to eitherOnly users who can edit orSimply users who can approve items in Version Settings of the library:

For SharePoint document libraries, these items volition be synchronized as read-just.
For OneDrive libraries, OneDrive will show a lock icon () next to the sync status and the user will not exist able to synchronize the library until the mentioned settings have been removed.

Require Check Out

Browse to the certificate library that you desire to configure.
In the toolbar, on the Library tab, in the Settings group, choose Library Settings.
In General Settings, choose Versioning settings.
In Require Check Out, select No (default).

Draft Item Security

Browse to the document library that you desire to configure.
In the toolbar, on the Library tab, in the Settings group, choose Library Settings.
In Full general Settings, cull Versioning settings.
In Draft Detail Security select Any user who can read items(default).

Content Blessing

Browse to the document library that yous want to configure.
In the toolbar, on the Library tab, in the Settings group, choose Library Settings.
In General Settings, cull Versioning settings.
In Content Blessing select No (default) for Crave content approval for submitted items.

Required Column

Scan to the document library that you lot desire to configure.
In the toolbar, on the Library tab, in the Settings group, cull Library Settings.
In the Columns section of the page ensure no columns are in the Required section.

Note:When the Management of content types is enabled, the information regarding require columns won't be presented, and in some cases by opening them the required setting, won't be visible too. Brand certain the management of content types is disabled to make this process faster, and re-enable it when washed if necessary.

Exclude from Offline Client - Library level

Scan to the document library that you lot want to configure.
In the toolbar, on the Library tab, in the Settings group, cull Library Settings.
In General Settings, choose Advanced settings.
In Offline Client Availability select Yes (default).

Exclude from Offline Client - Site collection level

Browse to the site collection that you desire to configure.
In the toolbar, on the Site tab, in the Settings grouping, choose Site Settings.
Under Search, choose Search and offline availability.
In Offline Client Availability select Yes (default).

Express-access user permission lockdown fashion

Scan to the Site Settings that you want to configure.
In the settings choose Site drove features under the Site Collection Administration heading.
Find Limited-admission user permission lockdown way and if its enabled, disable information technology and verify the behavior.

Permissions

Browse to the document library that you want to configure.
In the toolbar, on the Library tab, in the Settings group, cull Library Settings.
Find Permissions for this document library and so Bank check Permissions for the user
To ensure the user has high-enough permissions to accept the file sync in more than than read simply fashion, the level must be Contribute or higher.

Validation

Browse to the certificate library that you want to configure.
In the toolbar, on the Library tab, in the Settings group, cull Library Settings.
UnderGeneral Settings, selectValidation Settings
Remove any column validation and select Save.

Larn more nigh how to manage Data and lists in SharePoint.

Windows specific restrictions and limitations

Applies to:

File Explorer displays the first 35 characters of a site library'south proper name and site name combination for a library that you have synchronized. This doesn't affect the power to sync these items inside the limits that are described in this article.

Roaming, Mandatory, and Temporary Windows profiles aren't supported. The OneDrive sync app just supports users who can write to OneDrive awarding directories.

Additionally, the OneDrive sync app is only supported in Virtual Desktop Infrastructure (VDI) environments in the following cases:

Virtual desktops that persist between sessions.
Non-persistent environments that use Windows Virtual Desktop preview.
Non-persistent environments that have FSLogix Apps 2.viii or after, FSLogix Office 365 Container, and a Microsoft 365 subscription.

Read more about using the sync app on virtual desktops.

For the sync app to piece of work as designed, the post-obit requirements must be met:

The awarding must be installed on the local estimator.
The user must be able to write to the user profile.
Data that's written to the user profile must be saved to the local hard disk and exist available without a network connection.
Folders must not have the SetCaseSensitiveInfo setting enabled.

OneDrive Files On-Need is supported on Windows x 2022 Fall Creators Update and later versions, or Windows Server 2022 and later versions, or Mac Os X Mojave (10.xiv) or newer.

macOS specific restrictions and limitations

Applies to:

Case-sensitive formatted disk volume isn't supported.

Notation:Please annotation that Invalid characters restrictions too apply to macOS.

Troubleshooting hints and tips

Follow these hints & tips to get the most out of OneDrive and to make sync equally trouble-gratuitous as possible.

OneDrive system requirements

Applies to:

OneDrive requires an active Microsoft account, or a work or schoolhouse account. Your PC must also run into certain operating systems and file organization requirements. Read more virtually the OneDrive system requirements

Support and Recovery Assistant

Applies to:

The Support and Recovery Assistant app tin can help y'all place and ready several issues with OneDrive for work or school sync. Read how to use the Microsoft 365 Support and Recovery Assistant.

If your account or environment is non supported by the Back up and Recovery Assistant, read how to Fix OneDrive for Business sync issues.

Only sync what you need

Applies to:

OneDriveFiles On-Demand helps you access all your files in OneDrive without having to download all of them and use storage space on your device. Learn more about OneDrive Files On-Demand.

You lot tin can likewise download fewer files by choosing which OneDrive folders to sync to your computer.

Annotation:Y'all won't lose files or data by disabling or uninstalling OneDrive on your computer.

Check you're not syncing likewise many files

Applies to:

If OneDrive sync seems to be stuck for a long time or the status shows "Processing 0KB of xMB" it could be because you have a lot of files in your OneDrive or a lot of new files to be uploaded. If you have more than 100,000 files, sync tin can accept a long fourth dimension.

Notation:For transferring large files or lots of files, nosotros recommend adding the files to the OneDrive desktop app rather than the using Upload button on the website.

To see how many files you have in your OneDrive:

Open up File Explorer.
Right-click the OneDrive folder and select Backdrop.
If the Contains number is more than 100,000 you lot should consider which OneDrive folders to sync to your computer.

If the sync is already in procedure, you lot can Pause and Resume your sync to get things going again.

Select the white or blue OneDrive cloud icon in the notification area, at the far right of the taskbar.

Note:You might need to click the Show subconscious icons arrow adjacent to the notification surface area to see theOneDrive icon, or click and start typing "select which icons" to display the notification area settings option, and then show Microsoft OneDrive. If the icon still doesn't appear in the notification area, OneDrive might not exist running. Click , typeOneDrive in the search box, and and then clickOneDrive (non "OneDrive for work or school" because that'south an older version) in the search results.
Select More than >Pause syncing..., and select either two, viii or 24 hours.
Select More again and select Resume syncing

Make sure you lot don't take duplicate filenames

Applies to:

You may have sync conflicts if you lot're uploading multiple files on the OneDrive website at the same time, or if yous made changes in your OneDrive folder on another PC that is syncing at the same time.

Sync problems can also occur if you edit files offline.

To reduce sync conflicts, rename the edited files or folders to something new or unique, and then save it again.

Learn more

Applies to:

More fixes for contempo OneDrive issues

Fix sync issues with personal OneDrive

Larn about OneDrive Files On-Demand

Applies to:

Set OneDrive for work or school sync problems

Learn about OneDrive Files On-Demand

Set up sync issues with SharePoint

Need more help?

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Source: https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa

is there a max filesize for uploading to onedrive?

What'due south new

In this commodity