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  • How can I repair a corrupt VHD/VHDX file on Windows?

    To repair a corrupt VHD/VHDX file on Windows, first create a copy of the damaged virtual disk to protect the original data. You can then use the SysInfo VHD Recovery Tool to scan and recover data from the corrupted VHD or VHDX file. Add the damaged file to the software, select either Standard or Advanced scanning, and choose a suitable recovery mode based on the corruption level. The tool supports fixed and dynamic VHD files, MBR and GPT partitions, and file systems such as NTFS, FAT16, FAT32, FAT64, HFS+, EXTX, and RAW. After scanning, you can preview the recovered files and folders before saving the required data or creating a recovered disk image. SysInfo VHD Recovery Tool offers a user-friendly approach for Windows users who need to repair corrupt VHD/VHDX files while preserving recoverable data.

  • How to Import OLM to Office 365 on Mac in Bulk (2026 Guide)

    Migrating mailbox data from Outlook for Mac becomes easier with a dependable OLM converter for Mac such as SysInfo Mac OLM Converter. The software lets users process single or multiple OLM files and export emails, contacts, calendars, tasks, and notes into commonly used formats. It supports conversion to PST, EML, MSG, MBOX, PDF, HTML, TXT, and more while preserving the original folder structure. Users can also migrate OLM mailbox data directly to cloud and email platforms, including Gmail and Office 365. If your goal is to import OLM to Office 365, the tool provides a direct migration option that can simplify the transfer of mailbox content. Advanced options such as date-based filtering, selective folder conversion, duplicate email removal, and attachment exclusion provide greater control over the output. The OLM converter for Mac is compatible with major macOS versions and offers a user-friendly interface, making it suitable for both experienced and non-technical users. For secure, organized, and flexible mailbox migration, the OLM converter for Mac can be a practical choice for handling Outlook OLM data.

  • Can I convert MBOX to EML while preserving attachments?

    Yes, you can convert MBOX to EML while preserving email attachments using SysInfo MBOX Converter. The software allows you to convert single or multiple MBOX files into EML format while maintaining the original email content, attachments, folder structure, and other mailbox details. Simply add the MBOX files, preview the emails, select the required folders, choose EML as the output format, and start the conversion. SysInfo MBOX Converter also supports MBOX files created by Thunderbird, Apple Mail, Google Takeout, Eudora, and other email clients. Its preview feature lets you verify emails and their attachments before conversion, helping ensure important mailbox data remains intact.

  • What is the safest way to convert EML files without data loss?

    The safest way to convert EML files without data loss is to use a reliable conversion tool that preserves the original email content, folder structure, and attachments. SysInfo EML Converter Tool allows you to add single or multiple EML files, preview details such as sender, recipient, subject, date, email body, and attachments before conversion. You can then select the required output format, such as PST, PDF, MBOX, MSG, or CSV, and start the conversion. The software also provides options to preserve attachments, remove duplicate emails, filter messages by date, and maintain the original folder hierarchy. For large EML collections, it supports bulk conversion and can split large PST files into smaller ones. These features help reduce the chances of missing, duplicating, or damaging important email data during the conversion process.

  • How can I handle API rate limits during bulk migration?

    During bulk migration, API rate limits can be managed by controlling request frequency and concurrency instead of sending large bursts of requests. Use request throttling, batching where appropriate, and monitor API responses for 429 Too Many Requests errors. When a 429 response occurs, follow the Retry-After value provided by the API before retrying; if it is unavailable, use exponential backoff with jitter. Microsoft Graph specifically recommends reducing request frequency, avoiding immediate retries, and retrying throttled requests according to the recommended delay. For large Microsoft 365 migrations, it is also useful to track failed requests, control concurrent operations, and resume failed tasks rather than restarting the entire migration. A dedicated migration solution can simplify these tasks by automating throttling, retries, and request pacing, helping administrators handle Cloud API Rate Limits more efficiently during bulk mailbox, OneDrive, and SharePoint migrations.
  • Can I convert OLM files to MBOX without Outlook for Mac?

    Yes, you can convert OLM files to MBOX without installing Outlook for Mac. A dedicated OLM converter such as SysInfo OLM Converter can read OLM files independently and export their mailbox data directly into MBOX format.

    To do this, launch the software on your Windows system, click Select Files or Select Folder, and add the required OLM files. Preview the mailbox contents, select the emails or folders you want to convert, and choose MBOX from the available saving options. You can then select the destination location and start the conversion.

    The tool can preserve important mailbox information, including email content, attachments, and folder structure. It also supports converting multiple OLM files in bulk, making it useful when handling large mailboxes. Additional options such as date-based filtering, duplicate removal, and attachment management can help customize the conversion.

  • What BKF recovery software can recover data while preserving the original folder hierarchy?

    The SysInfo BKF Recovery Tool is a reliable option for recovering data from corrupted or damaged BKF files while preserving the original folder hierarchy. It scans the BKF file and displays the recovered data in a tree-like folder structure, making it easier to identify and select the required files and folders. The software supports BKF files created by Windows NTBackup and Symantec VERITAS Backup Exec and offers Standard and Advanced scanning modes to handle different levels of corruption. Users can preview the recovered data before saving it, helping them verify the folder structure and file contents. The tool also maintains the organization of recovered data during the recovery process. After reviewing the files, you can select the required data and save it to a preferred destination on your Windows system. This makes it useful for recovering important files when a BKF backup becomes inaccessible, damaged, or corrupted.

  • How can I avoid duplicate emails when backing up or migrating Office 365 mailboxes?

    You can avoid duplicate emails during Office 365 backup or migration by using a tool with built-in duplicate detection and skip options. The SysInfo Office 365 Backup Tool provides features designed to prevent repeated mailbox items during backup and migration.
    Before starting the process, select the required mailboxes and folders, then enable the Remove Duplicate option. The software can identify duplicate emails and other mailbox items based on selected criteria. You can also use the Skip Previously Migrated option when running repeated migration or backup tasks, helping prevent the same data from being processed again.
    For better control, apply date filters to select only the required emails and preserve the original folder structure during export. You can also choose specific folders instead of processing the entire mailbox. These options help reduce unnecessary copies, save storage space, and keep the destination mailbox or backup file organized while maintaining important email data and attachments.
  • Can I migrate Google Workspace data to Yahoo Mail, Zoho Mail, iCloud, or AOL Mail?

    Yes. The SysInfo Google Workspace Backup Tool supports migrating Google Workspace data to Yahoo Mail, Zoho Mail, iCloud Mail, and AOL Mail, along with Gmail, Office 365, Hotmail, IMAP, and other supported email platforms.

    To migrate, sign in to your Google Workspace account, select the required user account and services, choose the desired destination email platform, and configure the available migration options. You can also apply features such as date-range filtering, duplicate removal, attachment handling, and skipping previously migrated data to make the migration more organized.

    The tool is particularly useful for businesses or administrators handling multiple Google Workspace accounts, as it supports bulk user migration through CSV and allows multiple accounts to be processed together.
  • Can I migrate Microsoft 365 mailboxes without losing emails or attachments?

    Yes, you can migrate Microsoft 365 mailboxes while preserving emails and attachments, provided the migration is properly configured and the source data is supported. Microsoft’s cross-tenant mailbox migration transfers user-visible mailbox content, including emails, contacts, calendars, tasks, notes, and Recoverable Items. For a more controlled migration, the SysInfo Microsoft 365 Tenant to Tenant Migration Tool supports mailbox mapping, incremental migration, duplicate removal, date-range filtering, and attachment handling. It can migrate emails with attachments or exclude attachments when required to reduce mailbox size. The tool also uses OAuth 2.0 authentication and TLS-encrypted HTTPS for secure data transfer. However, no migration method can guarantee every item will migrate if the source contains unsupported or corrupted data. Microsoft specifically notes that corrupted items and certain unsupported mailbox content may not migrate. Therefore, it is recommended to test the migration with a demo or pilot batch and verify the migrated mailboxes before completing the full transfer.