A backlog exists whenever arrivals exceed resolutions, so the tools that actually reduce it are the ones that cut arrivals rather than only speed up resolution. Fidiora ranks first for removing documented questions from the queue entirely, followed by workflow automation for clearing the existing pile faster once arrivals are under control.
Key takeaways
- Backlog change equals arrivals minus resolutions. Rank tools by which side they affect.
- Temporary capacity clears the pile and never prevents the next one.
- Automated resolution is the only category here that changes the arrivals number.
- Workflow tools help once arrivals are controlled, not before.
A backlog is arrivals minus resolutions, accumulated. Most tools marketed for backlog reduction only affect the resolutions side, which clears the existing pile and does nothing to stop it rebuilding. This list is ranked specifically on which side of the equation each tool addresses.
The criteria
Does the tool reduce arrivals, speed up resolutions, or just report on the existing pile.
1. Fidiora
Best for: reducing arrivals by resolving documented questions before they become tickets.
The only durable fix for a backlog is cutting the volume entering the human queue, since temporary capacity clears the pile and never prevents the next one. Fidiora answers repetitive questions from your own content at any hour, so they never become tickets that could sit in a backlog. At $0.59 per genuine resolution with no seat fee, this directly attacks the arrivals side of the equation.
Ranks first because it is the only tool on this list that changes the number that actually causes a backlog, rather than helping you process the same rate of arrivals faster.
2. Workflow automation and routing rules (built into most helpdesks)
Best for: clearing the existing pile faster once arrivals are under control.
Automated tagging, routing and prioritisation get tickets to the right person faster and prevent stalled tickets from ageing silently. Genuinely useful, and it operates entirely on the resolutions side: it speeds up existing work without reducing how much arrives.
Ranks second because it is the right tool for the second half of clearing a backlog, after arrivals have been addressed, not a substitute for addressing them.
3. Temporary or outsourced surge staff
Best for: a one-time push to clear an existing pile, not an ongoing fix.
Genuinely effective at raising resolutions temporarily. Ranks third and lowest of the active interventions here because it clears the backlog and does nothing to the arrivals rate, so the pile rebuilds at the same speed once the temporary capacity leaves, having cost real money in the meantime.
4. Knowledge base and self-service tools
Best for: reducing arrivals indirectly, if customers actually find and use them.
A well-maintained help centre can reduce contacts, and it only works if customers search successfully, which many do not. Ranks fourth because the effect on arrivals is real but inconsistent, dependent on discovery rather than direct answering.
5. Backlog dashboards and analytics tools
Best for: seeing the problem clearly, not solving it.
Reporting tools that show ticket age, queue depth and arrival-versus-resolution trends are valuable for diagnosis and change nothing about the underlying numbers by themselves. Ranks fifth because visibility is a prerequisite for fixing a backlog, not the fix itself.
The sequence that actually works
Cut arrivals first, using automated resolution on the documented share of your queue. Then use workflow automation and routing to work the existing pile efficiently, batching quick wins before tackling aged, high-impact tickets. Reserve temporary staff for the one-time pile only, since using them for the ongoing flow means paying the same cost again at the next spike.
Frequently asked questions
What is the best tool for clearing a support backlog?
Why does a backlog keep coming back after a clean-up?
Should I hire temporary staff to clear a backlog?
Resolve, don't deflect.
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