Author · 968 stories

Rahul Vithala

Rahul is the Editor-in-Chief at Thetechhacker, Phone Opinions, and Ask Hacker. After realizing an obsession with technology, he left his job career to write about the latest gadgets and trends.
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How-to

How to Fix Outlook Not Syncing Email in Microsoft 365 (Windows, Mac, iPhone and Android)

Outlook stuck on old mail? Here’s how I’d fix Microsoft 365 sync problems in new and classic Outlook on Windows, Outlook for Mac, and the Outlook app on iPhone and Android.

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Best Software

Best Email Marketing Software for Small Businesses: Mailchimp vs Klaviyo vs Constant Contact (2026)

Mailchimp, Klaviyo, Constant Contact, Brevo, Kit and MailerLite compared for US small businesses, covering how each one charges, what free plans include, and the CAN-SPAM and Gmail rules you can’t skip.

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Best Software

Do You Still Need Antivirus on Windows 11 and Mac in 2026?

Windows 11 and macOS both ship with built-in malware protection that’s on by default. Here’s what it covers, what paid suites add, and who should still pay for one.

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Best Software

Best HR Software for Small Businesses (2026)

A practical look at the best HR software for US small businesses in 2026, from all-in-one platforms and PEOs to budget per-user tools, plus how to choose by team size, security and compliance needs.

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Best

Is a VPN Worth It in 2026? Best VPNs for US Users

A VPN hides your traffic from your ISP and public Wi-Fi and changes your apparent location, but it won’t make you anonymous or stop scams. Here’s when it’s worth paying for in the US, what to check before you buy, and which providers to compare.

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Best Software

Best Accounting Software for Small Businesses: QuickBooks vs Xero vs FreshBooks (2026)

I compare QuickBooks Online, Xero, FreshBooks, Zoho Books and Wave for US small businesses, covering plans, user limits, payroll add-ons, accountant access and migration. I also explain when accounting inside an ERP is the better fit.

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How-to

How to Fix an External Hard Drive or SSD Not Showing Up on Windows 11 or Mac

External drive not detected on Windows 11 or your Mac? Here’s how I work through it, from cables and Disk Management to Disk Utility First Aid, and when to stop and call a data recovery service.

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Best Software

Best CRM Software for Small Businesses (2026)

Here’s how the best CRM software for US small businesses compares in 2026, from free plans at HubSpot and Salesforce to Zoho, Pipedrive, Dynamics 365, monday CRM and Freshsales. I also cover when a CRM inside a custom ERP makes more sense.

Illustration of a fake warning pop-up on a laptop screen with block and shield icons
How-to

How to Fix ‘Your Computer Has Been Locked’ Scam Pop-Ups on Windows and Mac

A fake Microsoft or Apple warning took over your screen and wants you to call a number? Here’s how to close it safely on Windows and Mac, clean up your browser, and recover if you already called or paid.

Illustration of a cloud business phone system on a laptop with team and cloud icons
Best Software

Best Business Phone Systems (VoIP) for Small Businesses in 2026

A guide to choosing a small business VoIP phone system in 2026, covering RingCentral, Nextiva, Dialpad, Zoom Phone, Google Voice, Teams Phone, Grasshopper and Quo, plus the 10DLC, E911 and porting details most buyers miss.

Illustration of cloud backup on a laptop with server and shield icons
How-to

How to Back Up Your Business Data: Cloud Backup Options Compared (2026)

A guide for US small businesses on backing up files, email, accounting data and Microsoft 365 or Google Workspace, with a simple 3-2-1 setup that holds up against ransomware.

Illustration of ERP software dashboard on a laptop with inventory and cost icons
Guides

How Much Does ERP Software Cost in 2026? Custom vs Off-the-Shelf

A breakdown of what US small and mid-size businesses pay for ERP in 2026, from per-user subscriptions to implementation, hidden costs and 3-5 year total cost of ownership, plus when a custom ERP is the cheaper choice.

Rahul Vithala - Thetechhacker