Almost every vendor pitching a FileCabinet CS replacement says the same thing: start now or you’ll run out of time. That urgency is real if your migration takes 6–8 weeks.
Most providers need that long. SmartVault publishes 4–6 weeks for the import phase alone. The Onvio self-service tool can stretch to weeks of processing time and conflict resolution. DIY manual exports take weeks or months even for smaller firms with only a few hundred clients. When your migration takes that long, you really do need to start months in advance, avoid tax season entirely, and pray nothing slips.
But migration doesn’t have to take weeks. Liscio completes FileCabinet CS extractions in as little as a weekend. That changes the math. A firm can execute a migration over a Friday-to-Monday window with proven accuracy. No months-long planning horizon required. No race against a closing window.
The question isn’t whether you have enough time. It’s whether the provider you choose can deliver on speed, quality, and price.
Here’s how long each migration path actually takes.
Why FileCabinet CS Migration Isn’t a Normal File Move
Before comparing timelines, you need to understand why this takes longer than dragging files into a new folder.
FileCabinet CS does not store standard files. It stores documents as indexed page objects inside a proprietary OLE Structured Storage database. There is no “select all, copy, paste.” Every document must be extracted from the database, reconstituted into a usable file format (typically PDF), matched to its client and folder structure, and placed in the destination system with the correct organization.
The extraction step is the bottleneck. It’s what separates a weekend migration from a two-month project. The tools, expertise, and automation a provider brings to extraction determine everything else.
Onvio Self-Service Tool: Weeks to Months
Thomson Reuters provides a migration tool that exports FileCabinet CS data directly to Onvio. The tool is self-service, meaning you and your team do the work.
How it works: You download the installer, log into Onvio, select drawers, and run the export. Documents migrate drawer by drawer. If there are conflicts between FileCabinet CS client data and existing Onvio data, they must be resolved manually, one at a time, before you can start the next batch.
Realistic timeline: The export tool runs automatically so you’re not manually exporting documents one by one. Thomson Reuters’ own documentation notes that a drawer with 30 documents takes 8–10 minutes of processing time. The tool does the work, but the run time adds up. A firm with 300 clients and multiple drawers each is looking at days of cumulative processing time. Drawers are locked during migration, so your team can’t access those documents while the tool runs.
For a small firm (50–100 clients), expect 1–3 weeks of elapsed time including processing and conflict resolution. For a mid-size firm (200–500 clients), expect 3–6 weeks. For a large firm, this becomes a multi-week project where someone on your team is babysitting the tool and resolving conflicts as a recurring task.
The hidden cost: The Onvio tool only migrates to Onvio. If you invest weeks in the migration and then your firm decides Onvio isn’t the right fit (a conclusion many firms have reached), you start over with a different destination.
SmartVault: 4–6 Weeks
SmartVault publishes a migration timeline on their UltraTax CS integration page of 4–6 weeks, depending on data volume and number of clients.
How it works: SmartVault’s migration is a two-step process. As per their documentation, they have a third-party extraction supplier pull your data out of FileCabinet CS. Then SmartVault’s onboarding team imports the extracted files into your SmartVault account, maps folder structures, and configures permissions.
Timeline: SmartVault’s published timeline is 4–6 weeks for the import phase. The extraction phase, performed by SmartVault’s subcontracted supplier, adds additional time that isn’t specified. End-to-end, plan for 6–8 weeks from kickoff to fully operational.
What to know: SmartVault’s onboarding includes training, folder structure setup, and workflow configuration alongside the data migration. That’s valuable if you’re committing to SmartVault as your platform. But if you’re still evaluating destinations, you can’t access the migration service without subscribing first, which means committing to a platform.
DIY Manual Export: 4–8 Weeks for a 500-Client Firm
The manual path means your staff exports documents from FileCabinet CS one at a time, rebuilds folder structures in the destination system, and verifies completeness client by client.
Realistic timeline: At loaded staff rates of $35–$50/hour and an average of 15–30 minutes per client folder (including export, reorganization, and verification), a 500-client firm is looking at 125–250 hours of work. Spread across the hours your staff can actually dedicate to this, that’s likely 4–8 weeks of elapsed time.
The risk: DIY migration isn’t just slow. It’s error-prone. FileCabinet CS permits characters in file and folder names that SharePoint, OneDrive, and most cloud platforms reject — such as slashes, colons, and quotes. Without automated name cleanup, the team has to spend time manually updating file names. Staff performing manual exports also need to track downloads manually, so validating completeness requires more manual review time.
For most firms, DIY migration is slower, more expensive, and less accurate.
Liscio: A Weekend — Executed by US-Based Liscio Specialists
Liscio completes FileCabinet CS migrations in as little as a weekend plus 1–2 business days. The firm puts a hold on FileCabinet CS by noon ET on Friday, and Liscio works on it over the weekend with a return date as early as Monday. Enterprise-scale migrations are scoped individually and require advance notice to ensure capacity.
How it works: Liscio’s extraction tooling operates at the FileCabinet CS database level using robotic-process-based automation purpose-built for FileCabinet CS’s proprietary storage format. Documents are extracted, reconstituted into standard file formats, matched to client folder structures, and delivered to the destination of your choice. Each folder is organized and verified.
Migrations also include clearer folder naming formats (e.g. 2023, 2024, 2025 instead of 12/31/2023, 12/31/2024, 12/31/2025) for easier search. The result is a fast, clean migration that is ready for business.
Enterprise execution: Friday hand-off, Monday morning ready. The migration runs over the weekend so your staff loses zero billable time. Log off FileCabinet CS on Friday at noon eastern. Log in as early as Monday afternoon to your new document management system — Liscio, SmartVault, SharePoint, OneDrive, Box, or your network drive. The choice of destination is yours. This is how enterprise vendors like Cisco and Microsoft handle critical infrastructure shifts — off-hours execution to protect business continuity. We apply the same discipline to getting accounting firms out of FileCabinet CS.
100% US-based, in-house Liscio employees. Your firm’s sensitive client data never leaves the hands of full-time Liscio specialists. Our migration team operates across Ohio, Kentucky, North Dakota, and California. No offshore contractors. No subcontracted third parties. If you have questions, you will work with an American team member at Liscio in your time zone (continental US).
Compare this to other providers that entrust the work to “trusted extraction suppliers.” That means handing your firm’s entire historical client database and all of its sensitive data to an unknown supplier. Important: If you choose a provider that outsources the file migration, ensure you get the name of the subcontractor and their SOC 2 certificate prior to handing over your sensitive data.
Why Liscio is faster:
First, Liscio uses a dedicated team of specialists who are experts at extracting data. Team members divide the work and work across time zones to maximize throughput. This allows Liscio to process files fast without compromising quality.
Second, Liscio has spent years working with accountants and their files. These tools are purpose-built for working with accounting files securely and efficiently.
What to know: Liscio’s migration service is destination-agnostic. Your extracted files are delivered wherever you want them. Potential destinations include Liscio, SmartVault, SharePoint, ShareFile, Dropbox, a network drive, or even a local drive. No Liscio subscription is required. If you want to take your files to a competitor, Liscio will put them there.
The Timeline Comparison
| Migration Path | Published Timeline | Realistic Elapsed Time | Staff Hours Required |
|---|---|---|---|
| Onvio (self-service tool) | Not published (8–10 min/drawer run time) | 1–6 weeks depending on firm size | Low (tool runs automatically), but conflict resolution is manual |
| SmartVault | 4–6 weeks (import only) | 6–8 weeks end-to-end | Minimal — but extraction handled by unnamed third party |
| DIY | N/A | 4–8 weeks for 500 clients | 125–250 hours |
| Liscio | Weekend to 1 week | Weekend to 1 week | Less than one hour. The export is fully managed by US-based Liscio employees |
What Speed Actually Means for Your Firm
With most providers, a 6–8 week migration dictates your calendar. You have to plan around tax season, block staff time, coordinate with the vendor’s availability, and hope nothing slips. The migration becomes a project the firm has to work around when it comes to saving, editing, and deleting client files.
Liscio’s white-glove migration service saves the hassle. It fits into your schedule instead of the other way around.
Flexibility on timing. A weekend extraction means you can execute this almost any time of year. The only period to genuinely avoid is the peak of tax season — January through mid-April. Outside that window, pick a Friday, hand off access, and have your files delivered in record time.
Clean cutover. The longer you run FileCabinet CS alongside a new system, the higher the risk of documents ending up in the wrong place. A rapid migration means a clean break.
No staff disruption. Your team doesn’t context-switch between client work and migration tasks for weeks. They leave Friday with FileCabinet CS. They come back as early as Monday with a classified, organized document library in whatever destination you chose. Nothing to manage in between.
The Bottleneck Is Real
There are an estimated 10,000 firms that all need to move off FileCabinet CS before December 31, 2027, and every migration provider has a finite number of slots. We expect there will be too much demand in 2027 for service providers to absorb. Firms that schedule early will get ahead of the bottleneck and will likely pay less than those who procrastinate.
The Decision Framework
I have time and want to self-manage: The Onvio self-service tool is free and runs automatically, but plan for weeks of elapsed run time plus manual conflict resolution. Only viable if your destination is Onvio. No capacity constraint — you’re doing the work yourself.
I want a managed migration and I’ve already chosen my platform: SmartVault will handle migration as part of onboarding. Plan for 4–8 weeks per engagement. You’ll need to commit to the platform before migration begins. As their queues fill, expect implementation timelines to stretch.
I want my files out fast and I haven’t chosen a platform yet: Liscio extracts your files over a weekend, delivers them wherever you want, and requires no platform commitment. We recommend Microsoft SharePoint as a great location. It’s familiar, free, and every major DMS provider can easily access the files. Book a slot now, execute when it works for your calendar.
I want the fastest path to a fully operational system: Liscio migration (weekend) plus Liscio File Folders with File Intelligence ($19/seat/month) gets you from FileCabinet CS to a classified, searchable, AI-ready document library by Monday morning. For the full cost breakdown of this path against every alternative, see How Much Does FileCabinet CS Migration Actually Cost?
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Timeline data sourced from vendor websites as of August 2026. SmartVault 4–6 week estimate from smartvault.com/product/integrations/ultrataxcs. Thomson Reuters migration tool documentation from thomsonreuters.com. DIY labor estimates based on per-drawer export times documented by Thomson Reuters and loaded staff rate calculations. All timelines subject to change based on data volume and vendor capacity. For the full picture of FileCabinet CS’s end-of-life timeline and migration options, see FileCabinet CS Is End-of-Life: Your Migration Guide.
Liscio migrates your files out of FileCabinet CS in as little as a weekend — and lands them classified, tagged, and ready to search, wherever you choose.