--- title: "Unable to retrieve list of attachments from Microsoft 365: Could not refresh OneDrive access token" description: "If you receive a \"Could not refresh OneDrive access token\" error when opening windows in Acctivate, your Microsoft OneDrive authentication has expired. You'll need to reconnect Acctivate to OneDrive." --- [Skip to content](https://hub.acctivate.com/articles/refresh-onedrive-access-token-error#main-content) [Go to Customer Portal](https://hub.acctivate.com/tickets?hsLang=en) ![Acctivate - A CAI Solution](https://hub.acctivate.com/hubfs/Images/Logos/acctivate-cai-logo-svg.svg) - [Knowledge Base](https://hub.acctivate.com/articles) Open main navigation Close main navigation - [Knowledge Base](https://hub.acctivate.com/articles) - [Go to Customer Portal](https://hub.acctivate.com/tickets) - [Support Resources / Create Ticket](https://acctivate.com/support) [Support Resources / Create Ticket](https://acctivate.com/support) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://hub.acctivate.com/articles?hsLang=en) 2. [Troubleshoot](https://hub.acctivate.com/articles/troubleshoot?hsLang=en) 3. [Integrations](https://hub.acctivate.com/articles/troubleshoot?hsLang=en#integrations) May 14, 2025 # Unable to retrieve list of attachments from Microsoft 365: Could not refresh OneDrive access token ## If you receive a "Could not refresh OneDrive access token" error when opening windows in Acctivate, your Microsoft authentication has expired. You'll need to reconnect Acctivate to access your OneDrive or SharePoint files. If the Microsoft OneDrive access token expires, Acctivate may display an error message when opening windows that retrieve attachments from OneDrive. This can occur if your organization's security policies require multi-factor authentication renewal. > Unable to retrieve list of attachments from Microsoft 365: Could not refresh OneDrive access token: ... : Presented multi-factor authentication has expired due to policies configured by your administrator, you must refresh your multi-factor authentication to access '00000003-0000-0000-c000-000000000000'. Trace ID: ... ![OneDriveAccessToken](https://hub.acctivate.com/hs-fs/hubfs/OneDriveAccessToken.png?width=405&height=239&name=OneDriveAccessToken.png) To resolve this issue, follow these steps: 1. Open **Configuration Management** from the File menu in Acctivate. 2. Navigate to **Services \> File Storage**. 3. Click **Edit** on the toolbar 4. Click **Disconnect** from Microsoft 365. 5. Click **Connect** and sign in to your Microsoft 365 account. 6. Re-select your OneDrive folder for attachments. Refer to our article on [selecting your OneDrive or SharePoint folder.](https://hub.acctivate.com/migration/articles/cloud-file-storage?hsLang=en) 7. Click **Save** on the Toolbar, and asks other users to **restart Acctivate** if necessary. ### Future Fix A future update to Acctivate will include a "Refresh" button in the File Storage settings to make it easier to renew the connection when the access token expires.. - [Getting Started](https://hub.acctivate.com/articles/getting-started?hsLang=en#main-content) - [Basics](https://hub.acctivate.com/articles/getting-started?hsLang=en#basics) - [User Interface](https://hub.acctivate.com/articles/getting-started?hsLang=en#user-interface) - [Manager windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#manager-windows) - [List windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#list-windows) - [Transaction windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#transaction-windows) - [License and Users](https://hub.acctivate.com/articles/getting-started?hsLang=en#license-and-users) - [Email](https://hub.acctivate.com/articles/getting-started?hsLang=en#email) - 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